399271006235 has 32 divisors (see below), whose sum is σ = 482950840320. Its totient is φ = 316881065088.

The previous prime is 399271006201. The next prime is 399271006261. The reversal of 399271006235 is 532600172993.

It is a cyclic number.

It is not a de Polignac number, because 399271006235 - 2⁶ = 399271006171 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 399271006235.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 452175104 + ... + 452175986.

It is an arithmetic number, because the mean of its divisors is an integer number (15092213760).

Almost surely, 2^399271006235 is an apocalyptic number.

399271006235 is a deficient number, since it is larger than the sum of its proper divisors (83679834085).

399271006235 is a wasteful number, since it uses less digits than its factorization.

399271006235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2267.

The product of its (nonzero) digits is 612360, while the sum is 47.

The spelling of 399271006235 in words is "three hundred ninety-nine billion, two hundred seventy-one million, six thousand, two hundred thirty-five".