399914373474 has 128 divisors (see below), whose sum is σ = 1130600448000. Its totient is φ = 103873810320.

The previous prime is 399914373431. The next prime is 399914373517. The reversal of 399914373474 is 474373419993.

399914373474 is a `hidden beast` number, since 3 + 9 + 9 + 91 + 4 + 3 + 73 + 474 = 666.

It is an interprime number because it is at equal distance from previous prime (399914373431) and next prime (399914373517).

It is a super-2 number, since 2×399914373474² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 777682 + ... + 1185165.

It is an arithmetic number, because the mean of its divisors is an integer number (8832816000).

Almost surely, 2^399914373474 is an apocalyptic number.

399914373474 is an abundant number, since it is smaller than the sum of its proper divisors (730686074526).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

399914373474 is a wasteful number, since it uses less digits than its factorization.

399914373474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1962890 (or 1962870 counting only the distinct ones).

The product of its digits is 61725888, while the sum is 63.

The spelling of 399914373474 in words is "three hundred ninety-nine billion, nine hundred fourteen million, three hundred seventy-three thousand, four hundred seventy-four".