401072036 has 6 divisors (see below), whose sum is σ = 701876070. Its totient is φ = 200536016.

The previous prime is 401072033. The next prime is 401072039. The reversal of 401072036 is 630270104.

It is an interprime number because it is at equal distance from previous prime (401072033) and next prime (401072039).

It can be written as a sum of positive squares in only one way, i.e., 268960000 + 132112036 = 16400^2 + 11494^2 .

It is a super-2 number, since 2×401072036² = 321717556122370592, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401072033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50134001 + ... + 50134008.

It is an arithmetic number, because the mean of its divisors is an integer number (116979345).

Almost surely, 2^401072036 is an apocalyptic number.

It is an amenable number.

401072036 is a deficient number, since it is larger than the sum of its proper divisors (300804034).

401072036 is a wasteful number, since it uses less digits than its factorization.

401072036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100268013 (or 100268011 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 401072036 is about 20026.7829668172. The cubic root of 401072036 is about 737.4639482904.

The spelling of 401072036 in words is "four hundred one million, seventy-two thousand, thirty-six".