401454402 has 16 divisors (see below), whose sum is σ = 828809472. Its totient is φ = 129501360.

The previous prime is 401454373. The next prime is 401454413. The reversal of 401454402 is 204454104.

It is a happy number.

It is a super-2 number, since 2×401454402² = 322331273770355208, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 1078993 + ... + 1079364.

It is an arithmetic number, because the mean of its divisors is an integer number (51800592).

Almost surely, 2^401454402 is an apocalyptic number.

401454402 is an abundant number, since it is smaller than the sum of its proper divisors (427355070).

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

401454402 is a wasteful number, since it uses less digits than its factorization.

401454402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2158393.

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 401454402 is about 20036.3270586203. The cubic root of 401454402 is about 737.6982300422.

It can be divided in two parts, 401454 and 402, that added together give a triangular number (401856 = T₈₉₆).

The spelling of 401454402 in words is "four hundred one million, four hundred fifty-four thousand, four hundred two".