401302120338 has 32 divisors (see below), whose sum is σ = 1019179989120. Its totient is φ = 114657748560.

The previous prime is 401302120337. The next prime is 401302120363. The reversal of 401302120338 is 833021203104.

401302120338 is a `hidden beast` number, since 4 + 0 + 1 + 302 + 1 + 20 + 338 = 666.

It is a super-2 number, since 2×401302120338² (a number of 24 digits) 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 (401302120333) 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 15 ways as a sum of consecutive naturals, for example, 530822533 + ... + 530823288.

It is an arithmetic number, because the mean of its divisors is an integer number (31849374660).

Almost surely, 2^401302120338 is an apocalyptic number.

401302120338 is an abundant number, since it is smaller than the sum of its proper divisors (617877868782).

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

401302120338 is a wasteful number, since it uses less digits than its factorization.

401302120338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061645839 (or 1061645833 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The spelling of 401302120338 in words is "four hundred one billion, three hundred two million, one hundred twenty thousand, three hundred thirty-eight".