400813095 has 16 divisors (see below), whose sum is σ = 650874240. Its totient is φ = 210575904.

The previous prime is 400813087. The next prime is 400813109. The reversal of 400813095 is 590318004.

It is not a de Polignac number, because 400813095 - 2³ = 400813087 is a prime.

It is a super-2 number, since 2×400813095² = 321302274246958050, which 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, 198405 + ... + 200414.

It is an arithmetic number, because the mean of its divisors is an integer number (40679640).

Almost surely, 2^400813095 is an apocalyptic number.

400813095 is a deficient number, since it is larger than the sum of its proper divisors (250061145).

400813095 is a wasteful number, since it uses less digits than its factorization.

400813095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398894.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 400813095 is about 20020.3170554315. The cubic root of 400813095 is about 737.3052064304.

The spelling of 400813095 in words is "four hundred million, eight hundred thirteen thousand, ninety-five".