401377736 has 16 divisors (see below), whose sum is σ = 792193200. Its totient is φ = 190126224.

The previous prime is 401377733. The next prime is 401377747. The reversal of 401377736 is 637773104.

It is a super-2 number, since 2×401377736² = 322208173912971392, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a self number, because there is not a number n which added to its sum of digits gives 401377736.

It is not an unprimeable number, because it can be changed into a prime (401377733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1320170 + ... + 1320473.

It is an arithmetic number, because the mean of its divisors is an integer number (49512075).

Almost surely, 2^401377736 is an apocalyptic number.

It is an amenable number.

401377736 is a deficient number, since it is larger than the sum of its proper divisors (390815464).

401377736 is a wasteful number, since it uses less digits than its factorization.

401377736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2640668 (or 2640664 counting only the distinct ones).

The product of its (nonzero) digits is 74088, while the sum is 38.

The square root of 401377736 is about 20034.4137922725. The cubic root of 401377736 is about 737.6512674874.

The spelling of 401377736 in words is "four hundred one million, three hundred seventy-seven thousand, seven hundred thirty-six".