401826312 has 64 divisors (see below), whose sum is σ = 1139961600. Its totient is φ = 131088960.

The previous prime is 401826287. The next prime is 401826319. The reversal of 401826312 is 213628104.

It is a super-2 number, since 2×401826312² = 322928770031042688, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (401826319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9639 + ... + 29942.

It is an arithmetic number, because the mean of its divisors is an integer number (17811900).

Almost surely, 2^401826312 is an apocalyptic number.

It is an amenable number.

401826312 is an abundant number, since it is smaller than the sum of its proper divisors (738135288).

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

401826312 is a wasteful number, since it uses less digits than its factorization.

401826312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39643 (or 39633 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 401826312 is about 20045.6058027688. The cubic root of 401826312 is about 737.9259625641.

The spelling of 401826312 in words is "four hundred one million, eight hundred twenty-six thousand, three hundred twelve".