402050144 has 24 divisors (see below), whose sum is σ = 792257760. Its totient is φ = 200841856.

The previous prime is 402050137. The next prime is 402050147. The reversal of 402050144 is 441050204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402050147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34217 + ... + 44439.

It is an arithmetic number, because the mean of its divisors is an integer number (33010740).

Almost surely, 2^402050144 is an apocalyptic number.

It is an amenable number.

402050144 is a deficient number, since it is larger than the sum of its proper divisors (390207616).

402050144 is a wasteful number, since it uses less digits than its factorization.

402050144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11462 (or 11454 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 402050144 is about 20051.1880944746. The cubic root of 402050144 is about 738.0629544100.

The spelling of 402050144 in words is "four hundred two million, fifty thousand, one hundred forty-four".