401091745188 has 48 divisors (see below), whose sum is σ = 985298569920. Its totient is φ = 126639857664.

The previous prime is 401091745177. The next prime is 401091745199. The reversal of 401091745188 is 881547190104.

It is an interprime number because it is at equal distance from previous prime (401091745177) and next prime (401091745199).

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, 1286020 + ... + 1567172.

It is an arithmetic number, because the mean of its divisors is an integer number (20527053540).

Almost surely, 2^401091745188 is an apocalyptic number.

It is an amenable number.

401091745188 is an abundant number, since it is smaller than the sum of its proper divisors (584206824732).

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

401091745188 is a wasteful number, since it uses less digits than its factorization.

401091745188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287436 (or 287434 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 48.

The spelling of 401091745188 in words is "four hundred one billion, ninety-one million, seven hundred forty-five thousand, one hundred eighty-eight".