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40144477230 = 2365111397397
BaseRepresentation
bin100101011000110011…
…000001110000101110
310211121201220202000000
4211120303001300232
51124203441232410
630235255245130
72620550266134
oct453063016056
9124551822000
1040144477230
1116030568a10
1279443797a6
133a29c99750
141d2b859754
15109e524dc0
hex958cc1c2e

40144477230 has 448 divisors, whose sum is σ = 128917268928. Its totient is φ = 8868372480.

The previous prime is 40144477187. The next prime is 40144477249. The reversal of 40144477230 is 3277444104.

It is a happy number.

40144477230 is a `hidden beast` number, since 40 + 144 + 477 + 2 + 3 + 0 = 666.

It is a super-2 number, since 2×401444772302 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 101119392 + ... + 101119788.

It is an arithmetic number, because the mean of its divisors is an integer number (287761761).

Almost surely, 240144477230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40144477230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64458634464).

40144477230 is an abundant number, since it is smaller than the sum of its proper divisors (88772791698).

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

40144477230 is a wasteful number, since it uses less digits than its factorization.

40144477230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543 (or 528 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 36.

The spelling of 40144477230 in words is "forty billion, one hundred forty-four million, four hundred seventy-seven thousand, two hundred thirty".