401361252 has 12 divisors (see below), whose sum is σ = 936509616. Its totient is φ = 133787080.

The previous prime is 401361251. The next prime is 401361277. The reversal of 401361252 is 252163104.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×401361252² = 322181709214015008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401361251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16723374 + ... + 16723397.

It is an arithmetic number, because the mean of its divisors is an integer number (78042468).

Almost surely, 2^401361252 is an apocalyptic number.

It is an amenable number.

401361252 is an abundant number, since it is smaller than the sum of its proper divisors (535148364).

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

401361252 is a wasteful number, since it uses less digits than its factorization.

401361252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33446778 (or 33446776 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 401361252 is about 20034.0023959268. The cubic root of 401361252 is about 737.6411692608.

The spelling of 401361252 in words is "four hundred one million, three hundred sixty-one thousand, two hundred fifty-two".