402053841 has 16 divisors (see below), whose sum is σ = 680726400. Its totient is φ = 229744944.

The previous prime is 402053833. The next prime is 402053879. The reversal of 402053841 is 148350204.

It is not a de Polignac number, because 402053841 - 2³ = 402053833 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (402053341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1063446 + ... + 1063823.

It is an arithmetic number, because the mean of its divisors is an integer number (42545400).

Almost surely, 2^402053841 is an apocalyptic number.

It is an amenable number.

402053841 is a deficient number, since it is larger than the sum of its proper divisors (278672559).

402053841 is a wasteful number, since it uses less digits than its factorization.

402053841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2127285 (or 2127279 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 402053841 is about 20051.2802833136. The cubic root of 402053841 is about 738.0652166572.

The spelling of 402053841 in words is "four hundred two million, fifty-three thousand, eight hundred forty-one".