402053874 has 8 divisors (see below), whose sum is σ = 804107760. Its totient is φ = 134017956.

The previous prime is 402053833. The next prime is 402053879. The reversal of 402053874 is 478350204.

It is a sphenic number, since it is the product of 3 distinct primes.

402053874 is an admirable number.

It is a super-3 number, since 3×402053874³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (402053879) 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, 33504484 + ... + 33504495.

It is an arithmetic number, because the mean of its divisors is an integer number (100513470).

Almost surely, 2^402053874 is an apocalyptic number.

402053874 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

402053874 is a wasteful number, since it uses less digits than its factorization.

402053874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67008984.

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 402053874 is about 20051.2811062037. The cubic root of 402053874 is about 738.0652368503.

The spelling of 402053874 in words is "four hundred two million, fifty-three thousand, eight hundred seventy-four".