401152556 has 24 divisors (see below), whose sum is σ = 813609216. Its totient is φ = 169500240.

The previous prime is 401152513. The next prime is 401152559. The reversal of 401152556 is 655251104.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (401152559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98906 + ... + 102881.

It is an arithmetic number, because the mean of its divisors is an integer number (33900384).

Almost surely, 2^401152556 is an apocalyptic number.

It is an amenable number.

401152556 is an abundant number, since it is smaller than the sum of its proper divisors (412456660).

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

401152556 is a wasteful number, since it uses less digits than its factorization.

401152556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201869 (or 201867 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 401152556 is about 20028.7931738285. The cubic root of 401152556 is about 737.5132965524.

The spelling of 401152556 in words is "four hundred one million, one hundred fifty-two thousand, five hundred fifty-six".