399528408662 has 32 divisors (see below), whose sum is σ = 622040186880. Its totient is φ = 192228725920.

The previous prime is 399528408661. The next prime is 399528408679. The reversal of 399528408662 is 266804825993.

It is a junction number, because it is equal to n+sod(n) for n = 399528408595 and 399528408604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (399528408661) 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 15 ways as a sum of consecutive naturals, for example, 33559403 + ... + 33571305.

It is an arithmetic number, because the mean of its divisors is an integer number (19438755840).

Almost surely, 2^399528408662 is an apocalyptic number.

399528408662 is a deficient number, since it is larger than the sum of its proper divisors (222511778218).

399528408662 is a wasteful number, since it uses less digits than its factorization.

399528408662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13828.

The product of its (nonzero) digits is 44789760, while the sum is 62.

The spelling of 399528408662 in words is "three hundred ninety-nine billion, five hundred twenty-eight million, four hundred eight thousand, six hundred sixty-two".