401252434 has 16 divisors (see below), whose sum is σ = 685143360. Its totient is φ = 174457360.

The previous prime is 401252419. The next prime is 401252441. The reversal of 401252434 is 434252104.

It is a happy number.

It is a super-2 number, since 2×401252434² = 322007031581848712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 401252399 and 401252408.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 395989 + ... + 397000.

It is an arithmetic number, because the mean of its divisors is an integer number (42821460).

Almost surely, 2^401252434 is an apocalyptic number.

401252434 is a deficient number, since it is larger than the sum of its proper divisors (283890926).

401252434 is a wasteful number, since it uses less digits than its factorization.

401252434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793025.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 401252434 is about 20031.2863790621. The cubic root of 401252434 is about 737.5744995697.

The spelling of 401252434 in words is "four hundred one million, two hundred fifty-two thousand, four hundred thirty-four".