400133704540 has 24 divisors (see below), whose sum is σ = 884506084560. Its totient is φ = 151629614208.

The previous prime is 400133704513. The next prime is 400133704549. The reversal of 400133704540 is 45407331004.

It is a super-2 number, since 2×400133704540² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400133704549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 526491337 + ... + 526492096.

It is an arithmetic number, because the mean of its divisors is an integer number (36854420190).

Almost surely, 2^400133704540 is an apocalyptic number.

It is an amenable number.

400133704540 is an abundant number, since it is smaller than the sum of its proper divisors (484372380020).

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

400133704540 is a wasteful number, since it uses less digits than its factorization.

400133704540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052983461 (or 1052983459 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 31.

The spelling of 400133704540 in words is "four hundred billion, one hundred thirty-three million, seven hundred four thousand, five hundred forty".