402086274 has 8 divisors (see below), whose sum is σ = 804172560. Its totient is φ = 134028756.

The previous prime is 402086257. The next prime is 402086297. The reversal of 402086274 is 472680204.

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

402086274 is an admirable 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 3 ways as a sum of consecutive naturals, for example, 33507184 + ... + 33507195.

It is an arithmetic number, because the mean of its divisors is an integer number (100521570).

Almost surely, 2^402086274 is an apocalyptic number.

402086274 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.

402086274 is a wasteful number, since it uses less digits than its factorization.

402086274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67014384.

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 402086274 is about 20052.0890183542. The cubic root of 402086274 is about 738.0850622791.

The spelling of 402086274 in words is "four hundred two million, eighty-six thousand, two hundred seventy-four".