401361566550024 has 64 divisors (see below), whose sum is σ = 1027235145499200. Its totient is φ = 130612699236096.

The previous prime is 401361566549969. The next prime is 401361566550041. The reversal of 401361566550024 is 420055665163104.

It is a happy number.

It is a super-2 number, since 2×401361566550024² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91851319 + ... + 96121734.

It is an arithmetic number, because the mean of its divisors is an integer number (16050549148425).

Almost surely, 2^{401361566550024} is an apocalyptic number.

It is an amenable number.

401361566550024 is an abundant number, since it is smaller than the sum of its proper divisors (625873578949176).

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

401361566550024 is a wasteful number, since it uses less digits than its factorization.

401361566550024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187975174 (or 187975170 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 48.

The spelling of 401361566550024 in words is "four hundred one trillion, three hundred sixty-one billion, five hundred sixty-six million, five hundred fifty thousand, twenty-four".