401253546 has 16 divisors (see below), whose sum is σ = 808366464. Its totient is φ = 132774624.

The previous prime is 401253539. The next prime is 401253551. The reversal of 401253546 is 645352104.

It is a super-2 number, since 2×401253546² = 322008816355148232, which contains 22 as substring.

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, 243250 + ... + 244893.

It is an arithmetic number, because the mean of its divisors is an integer number (50522904).

Almost surely, 2^401253546 is an apocalyptic number.

401253546 is an abundant number, since it is smaller than the sum of its proper divisors (407112918).

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

401253546 is a wasteful number, since it uses less digits than its factorization.

401253546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488285.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 401253546 is about 20031.3141356228. The cubic root of 401253546 is about 737.5751809214.

The spelling of 401253546 in words is "four hundred one million, two hundred fifty-three thousand, five hundred forty-six".