400007644083 has 8 divisors (see below), whose sum is σ = 592603917200. Its totient is φ = 266671762704.

The previous prime is 400007644051. The next prime is 400007644117. The reversal of 400007644083 is 380446700004.

400007644083 is a `hidden beast` number, since 4 + 0 + 0 + 0 + 0 + 7 + 644 + 0 + 8 + 3 = 666.

It is not a de Polignac number, because 400007644083 - 2⁵ = 400007644051 is a prime.

It is a super-2 number, since 2×400007644083² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400007644033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7407548938 + ... + 7407548991.

It is an arithmetic number, because the mean of its divisors is an integer number (74075489650).

Almost surely, 2^400007644083 is an apocalyptic number.

400007644083 is a deficient number, since it is larger than the sum of its proper divisors (192596273117).

400007644083 is a wasteful number, since it uses less digits than its factorization.

400007644083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14815097938 (or 14815097932 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The spelling of 400007644083 in words is "four hundred billion, seven million, six hundred forty-four thousand, eighty-three".