399240610227 has 12 divisors (see below), whose sum is σ = 576695627040. Its totient is φ = 266153601168.

The previous prime is 399240610207. The next prime is 399240610303. The reversal of 399240610227 is 722016042993.

399240610227 is a `hidden beast` number, since 3 + 9 + 9 + 2 + 4 + 0 + 610 + 2 + 27 = 666.

It is not a de Polignac number, because 399240610227 - 2²² = 399236415923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (399240610207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 181828 + ... + 911889.

It is an arithmetic number, because the mean of its divisors is an integer number (48057968920).

Almost surely, 2^399240610227 is an apocalyptic number.

399240610227 is a deficient number, since it is larger than the sum of its proper divisors (177455016813).

399240610227 is a wasteful number, since it uses less digits than its factorization.

399240610227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134282 (or 1134279 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The spelling of 399240610227 in words is "three hundred ninety-nine billion, two hundred forty million, six hundred ten thousand, two hundred twenty-seven".