401400074 has 4 divisors (see below), whose sum is σ = 602100114. Its totient is φ = 200700036.

The previous prime is 401400067. The next prime is 401400101. The reversal of 401400074 is 470004104.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 393030625 + 8369449 = 19825^2 + 2893^2 .

It is a super-2 number, since 2×401400074² = 322244038814410952, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100350017 + ... + 100350020.

Almost surely, 2^401400074 is an apocalyptic number.

401400074 is a deficient number, since it is larger than the sum of its proper divisors (200700040).

401400074 is a wasteful number, since it uses less digits than its factorization.

401400074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200700039.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 401400074 is about 20034.9712752477. The cubic root of 401400074 is about 737.6649514787.

Adding to 401400074 its reverse (470004104), we get a palindrome (871404178).

The spelling of 401400074 in words is "four hundred one million, four hundred thousand, seventy-four".