398924251070 has 32 divisors (see below), whose sum is σ = 721029708000. Its totient is φ = 158911733376.

The previous prime is 398924251049. The next prime is 398924251127. The reversal of 398924251070 is 70152429893.

It is a super-2 number, since 2×398924251070² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

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, 2709821 + ... + 2853239.

It is an arithmetic number, because the mean of its divisors is an integer number (22532178375).

Almost surely, 2^398924251070 is an apocalyptic number.

398924251070 is a deficient number, since it is larger than the sum of its proper divisors (322105456930).

398924251070 is a wasteful number, since it uses less digits than its factorization.

398924251070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144572.

The product of its (nonzero) digits is 1088640, while the sum is 50.

The spelling of 398924251070 in words is "three hundred ninety-eight billion, nine hundred twenty-four million, two hundred fifty-one thousand, seventy".