401847941724 has 12 divisors (see below), whose sum is σ = 937645197384. Its totient is φ = 133949313904.

The previous prime is 401847941701. The next prime is 401847941741. The reversal of 401847941724 is 427149748104.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×401847941724² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16743664227 + ... + 16743664250.

It is an arithmetic number, because the mean of its divisors is an integer number (78137099782).

Almost surely, 2^401847941724 is an apocalyptic number.

It is an amenable number.

401847941724 is an abundant number, since it is smaller than the sum of its proper divisors (535797255660).

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

401847941724 is a wasteful number, since it uses less digits than its factorization.

401847941724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33487328484 (or 33487328482 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 51.

The spelling of 401847941724 in words is "four hundred one billion, eight hundred forty-seven million, nine hundred forty-one thousand, seven hundred twenty-four".