402312048 has 40 divisors (see below), whose sum is σ = 1072836096. Its totient is φ = 129777600.

The previous prime is 402312047. The next prime is 402312083. The reversal of 402312048 is 840213204.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402312047) 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, 133698 + ... + 136673.

Almost surely, 2^402312048 is an apocalyptic number.

402312048 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

402312048 is an abundant number, since it is smaller than the sum of its proper divisors (670524048).

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

402312048 is a wasteful number, since it uses less digits than its factorization.

402312048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270413 (or 270407 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 402312048 is about 20057.7179160542. The cubic root of 402312048 is about 738.2231829159.

The spelling of 402312048 in words is "four hundred two million, three hundred twelve thousand, forty-eight".