516401404 has 12 divisors (see below), whose sum is σ = 904121064. Its totient is φ = 258081104.

The previous prime is 516401363. The next prime is 516401411. The reversal of 516401404 is 404104615.

It is a congruent number.

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, 19807 + ... + 37750.

It is an arithmetic number, because the mean of its divisors is an integer number (75343422).

Almost surely, 2^516401404 is an apocalyptic number.

It is an amenable number.

516401404 is a deficient number, since it is larger than the sum of its proper divisors (387719660).

516401404 is a wasteful number, since it uses less digits than its factorization.

516401404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59804 (or 59802 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 516401404 is about 22724.4670784597. The cubic root of 516401404 is about 802.2858602495.

The spelling of 516401404 in words is "five hundred sixteen million, four hundred one thousand, four hundred four".