401541931380 has 48 divisors (see below), whose sum is σ = 1135908325440. Its totient is φ = 105973951488.

The previous prime is 401541931367. The next prime is 401541931391. The reversal of 401541931380 is 83139145104.

It is a super-2 number, since 2×401541931380² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34490910 + ... + 34502549.

It is an arithmetic number, because the mean of its divisors is an integer number (23664756780).

Almost surely, 2^401541931380 is an apocalyptic number.

It is an amenable number.

401541931380 is an abundant number, since it is smaller than the sum of its proper divisors (734366394060).

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

401541931380 is a wasteful number, since it uses less digits than its factorization.

401541931380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68993568 (or 68993566 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The spelling of 401541931380 in words is "four hundred one billion, five hundred forty-one million, nine hundred thirty-one thousand, three hundred eighty".