400034690715 has 64 divisors (see below), whose sum is σ = 740336163840. Its totient is φ = 182294999040.

The previous prime is 400034690711. The next prime is 400034690779. The reversal of 400034690715 is 517096430004.

It is not a de Polignac number, because 400034690715 - 2² = 400034690711 is a prime.

It is a super-2 number, since 2×400034690715² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (400034690711) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1941151 + ... + 2137319.

It is an arithmetic number, because the mean of its divisors is an integer number (11567752560).

Almost surely, 2^400034690715 is an apocalyptic number.

400034690715 is a deficient number, since it is larger than the sum of its proper divisors (340301473125).

400034690715 is a wasteful number, since it uses less digits than its factorization.

400034690715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196932.

The product of its (nonzero) digits is 90720, while the sum is 39.

The spelling of 400034690715 in words is "four hundred billion, thirty-four million, six hundred ninety thousand, seven hundred fifteen".