401355052 has 48 divisors (see below), whose sum is σ = 823173120. Its totient is φ = 167674752.

The previous prime is 401355001. The next prime is 401355079. The reversal of 401355052 is 250553104.

It is a super-2 number, since 2×401355052² = 322171755531845408, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208848 + ... + 210760.

It is an arithmetic number, because the mean of its divisors is an integer number (17149440).

Almost surely, 2^401355052 is an apocalyptic number.

It is an amenable number.

401355052 is an abundant number, since it is smaller than the sum of its proper divisors (421818068).

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

401355052 is a wasteful number, since it uses less digits than its factorization.

401355052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2110 (or 2108 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 401355052 is about 20033.8476584005. The cubic root of 401355052 is about 737.6373710211.

The spelling of 401355052 in words is "four hundred one million, three hundred fifty-five thousand, fifty-two".