39627649402 has 48 divisors (see below), whose sum is σ = 68512297824. Its totient is φ = 17045964000.

The previous prime is 39627649367. The next prime is 39627649409. The reversal of 39627649402 is 20494672693.

It is a self number, because there is not a number n which added to its sum of digits gives 39627649402.

It is not an unprimeable number, because it can be changed into a prime (39627649409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9297952 + ... + 9302212.

It is an arithmetic number, because the mean of its divisors is an integer number (1427339538).

Almost surely, 2^39627649402 is an apocalyptic number.

39627649402 is a deficient number, since it is larger than the sum of its proper divisors (28884648422).

39627649402 is a wasteful number, since it uses less digits than its factorization.

39627649402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5483 (or 5464 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 52.

The spelling of 39627649402 in words is "thirty-nine billion, six hundred twenty-seven million, six hundred forty-nine thousand, four hundred two".