401813744472 has 192 divisors, whose sum is σ = 1365642270720. Its totient is φ = 108050692608.

The previous prime is 401813744467. The next prime is 401813744473. The reversal of 401813744472 is 274447318104.

401813744472 is a `hidden beast` number, since 4 + 0 + 1 + 8 + 137 + 44 + 472 = 666.

It is a super-2 number, since 2×401813744472² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401813744473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 637128 + ... + 1099799.

It is an arithmetic number, because the mean of its divisors is an integer number (7112720160).

Almost surely, 2^401813744472 is an apocalyptic number.

401813744472 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

401813744472 is an abundant number, since it is smaller than the sum of its proper divisors (963828526248).

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

401813744472 is a wasteful number, since it uses less digits than its factorization.

401813744472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1736972 (or 1736956 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 45.

The spelling of 401813744472 in words is "four hundred one billion, eight hundred thirteen million, seven hundred forty-four thousand, four hundred seventy-two".