401115512 has 32 divisors (see below), whose sum is σ = 874108800. Its totient is φ = 168991584.

The previous prime is 401115499. The next prime is 401115553. The reversal of 401115512 is 215511104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57398 + ... + 64005.

It is an arithmetic number, because the mean of its divisors is an integer number (27315900).

Almost surely, 2^401115512 is an apocalyptic number.

It is an amenable number.

401115512 is an abundant number, since it is smaller than the sum of its proper divisors (472993288).

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

401115512 is a wasteful number, since it uses less digits than its factorization.

401115512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121475 (or 121471 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 401115512 is about 20027.8683838296. The cubic root of 401115512 is about 737.4905942303.

Adding to 401115512 its reverse (215511104), we get a palindrome (616626616).

The spelling of 401115512 in words is "four hundred one million, one hundred fifteen thousand, five hundred twelve".