396040039604 has 24 divisors (see below), whose sum is σ = 756153634656. Its totient is φ = 179999820000.

The previous prime is 396040039583. The next prime is 396040039613. The reversal of 396040039604 is 406930040693.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18902 + ... + 890189.

It is an arithmetic number, because the mean of its divisors is an integer number (31506401444).

Almost surely, 2^396040039604 is an apocalyptic number.

It is an amenable number.

396040039604 is a deficient number, since it is larger than the sum of its proper divisors (360113595052).

396040039604 is a wasteful number, since it uses less digits than its factorization.

396040039604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919007 (or 919005 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 44.

It can be divided in two parts, 3960400 and 39604, that multiplied together give a square (156847681600 = 396040²).

The spelling of 396040039604 in words is "three hundred ninety-six billion, forty million, thirty-nine thousand, six hundred four".