401552412 has 24 divisors (see below), whose sum is σ = 941402112. Its totient is φ = 133215600.

The previous prime is 401552383. The next prime is 401552413. The reversal of 401552412 is 214255104.

It is a super-2 number, since 2×401552412² = 322488679166035488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401552413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76764 + ... + 81827.

It is an arithmetic number, because the mean of its divisors is an integer number (39225088).

Almost surely, 2^401552412 is an apocalyptic number.

It is an amenable number.

401552412 is an abundant number, since it is smaller than the sum of its proper divisors (539849700).

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

401552412 is a wasteful number, since it uses less digits than its factorization.

401552412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158809 (or 158807 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 401552412 is about 20038.7727169106. The cubic root of 401552412 is about 737.7582583793.

The spelling of 401552412 in words is "four hundred one million, five hundred fifty-two thousand, four hundred twelve".