399704716202 has 12 divisors (see below), whose sum is σ = 659017280418. Its totient is φ = 181683961800.

The previous prime is 399704716189. The next prime is 399704716273. The reversal of 399704716202 is 202617407993.

It can be written as a sum of positive squares in only one way, i.e., 236722144681 + 162982571521 = 486541^2 + 403711^2 .

It is a super-2 number, since 2×399704716202² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 825835949 + ... + 825836432.

Almost surely, 2^399704716202 is an apocalyptic number.

399704716202 is a deficient number, since it is larger than the sum of its proper divisors (259312564216).

399704716202 is a wasteful number, since it uses less digits than its factorization.

399704716202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1651672405 (or 1651672394 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 50.

The spelling of 399704716202 in words is "three hundred ninety-nine billion, seven hundred four million, seven hundred sixteen thousand, two hundred two".