400150564524 has 72 divisors (see below), whose sum is σ = 1026524378880. Its totient is φ = 131404072800.

The previous prime is 400150564469. The next prime is 400150564529. The reversal of 400150564524 is 425465051004.

400150564524 is a `hidden beast` number, since 4 + 0 + 0 + 1 + 5 + 0 + 5 + 645 + 2 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (400150564529) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3312019 + ... + 3430709.

It is an arithmetic number, because the mean of its divisors is an integer number (14257283040).

Almost surely, 2^400150564524 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 400150564524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (513262189440).

400150564524 is an abundant number, since it is smaller than the sum of its proper divisors (626373814356).

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

400150564524 is a wasteful number, since it uses less digits than its factorization.

400150564524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120091 (or 120086 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

The spelling of 400150564524 in words is "four hundred billion, one hundred fifty million, five hundred sixty-four thousand, five hundred twenty-four".