401151252 has 12 divisors (see below), whose sum is σ = 936019616. Its totient is φ = 133717080.

The previous prime is 401151241. The next prime is 401151263. The reversal of 401151252 is 252151104.

It is an interprime number because it is at equal distance from previous prime (401151241) and next prime (401151263).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16714624 + ... + 16714647.

Almost surely, 2^401151252 is an apocalyptic number.

It is an amenable number.

401151252 is an abundant number, since it is smaller than the sum of its proper divisors (534868364).

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

401151252 is a wasteful number, since it uses less digits than its factorization.

401151252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33429278 (or 33429276 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 401151252 is about 20028.7606206675. The cubic root of 401151252 is about 737.5124974230.

The spelling of 401151252 in words is "four hundred one million, one hundred fifty-one thousand, two hundred fifty-two".