40257627172 has 54 divisors (see below), whose sum is σ = 87057490002. Its totient is φ = 16238347776.

The previous prime is 40257627103. The next prime is 40257627209. The reversal of 40257627172 is 27172675204.

It can be written as a sum of positive squares in 3 ways, for example, as 31023185956 + 9234441216 = 176134^2 + 96096^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 298713 + ... + 412000.

Almost surely, 2^40257627172 is an apocalyptic number.

It is an amenable number.

40257627172 is an abundant number, since it is smaller than the sum of its proper divisors (46799862830).

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

40257627172 is a wasteful number, since it uses less digits than its factorization.

40257627172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710765 (or 710739 counting only the distinct ones).

The product of its (nonzero) digits is 329280, while the sum is 43.

The spelling of 40257627172 in words is "forty billion, two hundred fifty-seven million, six hundred twenty-seven thousand, one hundred seventy-two".