39612449952 has 60 divisors (see below), whose sum is σ = 116499122586. Its totient is φ = 13204149120.

The previous prime is 39612449951. The next prime is 39612449983. The reversal of 39612449952 is 25994421693.

39612449952 is a `hidden beast` number, since 3 + 96 + 12 + 4 + 499 + 52 = 666.

It can be written as a sum of positive squares in only one way, i.e., 23178235536 + 16434214416 = 152244^2 + 128196^2 .

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

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

It is not an unprimeable number, because it can be changed into a prime (39612449951) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 7638699 + ... + 7643882.

Almost surely, 2^39612449952 is an apocalyptic number.

39612449952 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

39612449952 is an abundant number, since it is smaller than the sum of its proper divisors (76886672634).

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

39612449952 is a wasteful number, since it uses less digits than its factorization.

39612449952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15282603 (or 15282586 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 54.

The spelling of 39612449952 in words is "thirty-nine billion, six hundred twelve million, four hundred forty-nine thousand, nine hundred fifty-two".