45175278240 has 288 divisors, whose sum is σ = 159478405632. Its totient is φ = 11632896000.

The previous prime is 45175278233. The next prime is 45175278299. The reversal of 45175278240 is 4287257154.

45175278240 is a `hidden beast` number, since 4 + 5 + 1 + 7 + 527 + 82 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a super-2 number, since 2×45175278240² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 29506275 + ... + 29507805.

It is an arithmetic number, because the mean of its divisors is an integer number (553744464).

Almost surely, 2^45175278240 is an apocalyptic number.

45175278240 is a gapful number since it is divisible by the number (40) 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 45175278240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79739202816).

45175278240 is an abundant number, since it is smaller than the sum of its proper divisors (114303127392).

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

45175278240 is a wasteful number, since it uses less digits than its factorization.

45175278240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2244 (or 2233 counting only the distinct ones).

The product of its (nonzero) digits is 627200, while the sum is 45.

The spelling of 45175278240 in words is "forty-five billion, one hundred seventy-five million, two hundred seventy-eight thousand, two hundred forty".