401157036 has 96 divisors (see below), whose sum is σ = 1203471360. Its totient is φ = 114598800.

The previous prime is 401156999. The next prime is 401157047. The reversal of 401157036 is 630751104.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 57961 + ... + 64511.

It is an arithmetic number, because the mean of its divisors is an integer number (12536160).

Almost surely, 2^401157036 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 401157036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (601735680).

401157036 is an abundant number, since it is smaller than the sum of its proper divisors (802314324).

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

401157036 is an equidigital number, since it uses as much as digits as its factorization.

401157036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6583 (or 6563 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 401157036 is about 20028.9050125063. The cubic root of 401157036 is about 737.5160420144.

The spelling of 401157036 in words is "four hundred one million, one hundred fifty-seven thousand, thirty-six".