401154402 has 32 divisors (see below), whose sum is σ = 887583744. Its totient is φ = 119848400.

The previous prime is 401154379. The next prime is 401154421. The reversal of 401154402 is 204451104.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38118 + ... + 47489.

It is an arithmetic number, because the mean of its divisors is an integer number (27736992).

Almost surely, 2^401154402 is an apocalyptic number.

401154402 is an abundant number, since it is smaller than the sum of its proper divisors (486429342).

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

401154402 is a wasteful number, since it uses less digits than its factorization.

401154402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85694.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 401154402 is about 20028.8392574308. The cubic root of 401154402 is about 737.5144278323.

The spelling of 401154402 in words is "four hundred one million, one hundred fifty-four thousand, four hundred two".