402054912 has 216 divisors, whose sum is σ = 1343692896. Its totient is φ = 113246208.

The previous prime is 402054907. The next prime is 402054931. The reversal of 402054912 is 219450204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1564288 + ... + 1564544.

Almost surely, 2^402054912 is an apocalyptic number.

402054912 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402054912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (671846448).

402054912 is an abundant number, since it is smaller than the sum of its proper divisors (941637984).

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

402054912 is a wasteful number, since it uses less digits than its factorization.

402054912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383 (or 366 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 402054912 is about 20051.3069898199. The cubic root of 402054912 is about 738.0658720148.

The spelling of 402054912 in words is "four hundred two million, fifty-four thousand, nine hundred twelve".