400976431007 has 8 divisors (see below), whose sum is σ = 415486588800. Its totient is φ = 386511832224.

The previous prime is 400976430979. The next prime is 400976431039. The reversal of 400976431007 is 700134679004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 400976431007 - 2³⁴ = 383796561823 is a prime.

It is a super-2 number, since 2×400976431007² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400976433007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11371832 + ... + 11407037.

It is an arithmetic number, because the mean of its divisors is an integer number (51935823600).

Almost surely, 2^400976431007 is an apocalyptic number.

400976431007 is a deficient number, since it is larger than the sum of its proper divisors (14510157793).

400976431007 is a wasteful number, since it uses less digits than its factorization.

400976431007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22779505.

The product of its (nonzero) digits is 127008, while the sum is 41.

The spelling of 400976431007 in words is "four hundred billion, nine hundred seventy-six million, four hundred thirty-one thousand, seven".