399292817046 has 32 divisors (see below), whose sum is σ = 833614451808. Its totient is φ = 127377411840.

The previous prime is 399292817017. The next prime is 399292817177. The reversal of 399292817046 is 640718292993.

It is a super-2 number, since 2×399292817046² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14729215 + ... + 14756298.

It is an arithmetic number, because the mean of its divisors is an integer number (26050451619).

Almost surely, 2^399292817046 is an apocalyptic number.

399292817046 is an abundant number, since it is smaller than the sum of its proper divisors (434321634762).

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

399292817046 is a wasteful number, since it uses less digits than its factorization.

399292817046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29485616.

The product of its (nonzero) digits is 11757312, while the sum is 60.

The spelling of 399292817046 in words is "three hundred ninety-nine billion, two hundred ninety-two million, eight hundred seventeen thousand, forty-six".