400327504536 has 32 divisors (see below), whose sum is σ = 1017225630000. Its totient is φ = 131254919040.

The previous prime is 400327504531. The next prime is 400327504543. The reversal of 400327504536 is 635405723004.

It is a super-2 number, since 2×400327504536² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 400327504494 and 400327504503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400327504531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136722411 + ... + 136725338.

Almost surely, 2^400327504536 is an apocalyptic number.

It is an amenable number.

400327504536 is an abundant number, since it is smaller than the sum of its proper divisors (616898125464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

400327504536 is a wasteful number, since it uses less digits than its factorization.

400327504536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273447819 (or 273447815 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 39.

The spelling of 400327504536 in words is "four hundred billion, three hundred twenty-seven million, five hundred four thousand, five hundred thirty-six".