401384735382 has 128 divisors (see below), whose sum is σ = 869637233664. Its totient is φ = 123200782848.

The previous prime is 401384735371. The next prime is 401384735387. The reversal of 401384735382 is 283537483104.

It is a super-2 number, since 2×401384735382² (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 (401384735387) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 135739048 + ... + 135742004.

It is an arithmetic number, because the mean of its divisors is an integer number (6794040888).

Almost surely, 2^401384735382 is an apocalyptic number.

401384735382 is an abundant number, since it is smaller than the sum of its proper divisors (468252498282).

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

401384735382 is a wasteful number, since it uses less digits than its factorization.

401384735382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3382.

The product of its (nonzero) digits is 1935360, while the sum is 48.

The spelling of 401384735382 in words is "four hundred one billion, three hundred eighty-four million, seven hundred thirty-five thousand, three hundred eighty-two".