390016835072 has 20 divisors (see below), whose sum is σ = 779271919536. Its totient is φ = 195008417280.

The previous prime is 390016835059. The next prime is 390016835111. The reversal of 390016835072 is 270538610093.

It is a super-2 number, since 2×390016835072² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 380875304 + ... + 380876327.

Almost surely, 2^390016835072 is an apocalyptic number.

390016835072 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

390016835072 is a deficient number, since it is larger than the sum of its proper divisors (389255084464).

390016835072 is an frugal number, since it uses more digits than its factorization.

390016835072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761751649 (or 761751633 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 44.

The spelling of 390016835072 in words is "three hundred ninety billion, sixteen million, eight hundred thirty-five thousand, seventy-two".