399240603662 has 16 divisors (see below), whose sum is σ = 601210097280. Its totient is φ = 198838499832.

The previous prime is 399240603637. The next prime is 399240603673. The reversal of 399240603662 is 266306042993.

It is a super-2 number, since 2×399240603662² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 399240603662.

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 in 7 ways as a sum of consecutive naturals, for example, 319133 + ... + 948855.

It is an arithmetic number, because the mean of its divisors is an integer number (37575631080).

Almost surely, 2^399240603662 is an apocalyptic number.

399240603662 is a deficient number, since it is larger than the sum of its proper divisors (201969493618).

399240603662 is a wasteful number, since it uses less digits than its factorization.

399240603662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630967.

The product of its (nonzero) digits is 2519424, while the sum is 50.

The spelling of 399240603662 in words is "three hundred ninety-nine billion, two hundred forty million, six hundred three thousand, six hundred sixty-two".