402564332148 has 96 divisors (see below), whose sum is σ = 1027152954240. Its totient is φ = 121698685440.

The previous prime is 402564332147. The next prime is 402564332171. The reversal of 402564332148 is 841233465204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402564332147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 123750090 + ... + 123753342.

It is an arithmetic number, because the mean of its divisors is an integer number (10699509940).

Almost surely, 2^402564332148 is an apocalyptic number.

It is an amenable number.

402564332148 is an abundant number, since it is smaller than the sum of its proper divisors (624588622092).

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

402564332148 is a wasteful number, since it uses less digits than its factorization.

402564332148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5217 (or 5215 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 42.

The spelling of 402564332148 in words is "four hundred two billion, five hundred sixty-four million, three hundred thirty-two thousand, one hundred forty-eight".