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4542991488 = 273372139193
BaseRepresentation
bin1000011101100100…
…01000110010000000
3102201121102212202000
410032302020302000
533301001211423
62030444024000
7220402535100
oct41662106200
912647385660
104542991488
111a21444822
12a69532000
13575279b59
143114db200
151b8c81843
hex10ec88c80

4542991488 has 384 divisors, whose sum is σ = 15790824000. Its totient is φ = 1281982464.

The previous prime is 4542991463. The next prime is 4542991493. The reversal of 4542991488 is 8841992454.

It is a happy number.

4542991488 is a `hidden beast` number, since 4 + 54 + 29 + 91 + 488 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23538720 + ... + 23538912.

Almost surely, 24542991488 is an apocalyptic number.

4542991488 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4542991488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7895412000).

4542991488 is an abundant number, since it is smaller than the sum of its proper divisors (11247832512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4542991488 is a wasteful number, since it uses less digits than its factorization.

4542991488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369 (or 344 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 54.

The square root of 4542991488 is about 67401.7172481533. The cubic root of 4542991488 is about 1656.2045536019.

The spelling of 4542991488 in words is "four billion, five hundred forty-two million, nine hundred ninety-one thousand, four hundred eighty-eight".