399290036352 has 32 divisors (see below), whose sum is σ = 1060614160080. Its totient is φ = 133096678656.

The previous prime is 399290036339. The next prime is 399290036371. The reversal of 399290036352 is 253630092993.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 399290036295 and 399290036304.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 519908518 + ... + 519909285.

Almost surely, 2^399290036352 is an apocalyptic number.

399290036352 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

399290036352 is an abundant number, since it is smaller than the sum of its proper divisors (661324123728).

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

399290036352 is a wasteful number, since it uses less digits than its factorization.

399290036352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1039817820 (or 1039817808 counting only the distinct ones).

The product of its (nonzero) digits is 2361960, while the sum is 51.

The spelling of 399290036352 in words is "three hundred ninety-nine billion, two hundred ninety million, thirty-six thousand, three hundred fifty-two".