401138914502 has 16 divisors (see below), whose sum is σ = 603928790160. Its totient is φ = 199829433888.

The previous prime is 401138914453. The next prime is 401138914511. The reversal of 401138914502 is 205419831104.

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, 10162268 + ... + 10201664.

It is an arithmetic number, because the mean of its divisors is an integer number (37745549385).

Almost surely, 2^401138914502 is an apocalyptic number.

401138914502 is a deficient number, since it is larger than the sum of its proper divisors (202789875658).

401138914502 is a wasteful number, since it uses less digits than its factorization.

401138914502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58055.

The product of its (nonzero) digits is 34560, while the sum is 38.

The spelling of 401138914502 in words is "four hundred one billion, one hundred thirty-eight million, nine hundred fourteen thousand, five hundred two".