401545555004 has 24 divisors (see below), whose sum is σ = 766621422000. Its totient is φ = 182512503680.

The previous prime is 401545554997. The next prime is 401545555043. The reversal of 401545555004 is 400555545104.

It is a super-2 number, since 2×401545555004² (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 7 ways as a sum of consecutive naturals, for example, 845522 + ... + 1232070.

It is an arithmetic number, because the mean of its divisors is an integer number (31942559250).

Almost surely, 2^401545555004 is an apocalyptic number.

401545555004 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

401545555004 is a deficient number, since it is larger than the sum of its proper divisors (365075866996).

401545555004 is a wasteful number, since it uses less digits than its factorization.

401545555004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410173 (or 410171 counting only the distinct ones).

The product of its (nonzero) digits is 200000, while the sum is 38.

The spelling of 401545555004 in words is "four hundred one billion, five hundred forty-five million, five hundred fifty-five thousand, four".