404257145362 has 16 divisors (see below), whose sum is σ = 699740525952. Its totient is φ = 171570993120.

The previous prime is 404257145297. The next prime is 404257145407. The reversal of 404257145362 is 263541752404.

It is a super-2 number, since 2×404257145362² (a number of 24 digits) contains 22 as substring.

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, 140170939 + ... + 140173822.

It is an arithmetic number, because the mean of its divisors is an integer number (43733782872).

Almost surely, 2^404257145362 is an apocalyptic number.

404257145362 is a deficient number, since it is larger than the sum of its proper divisors (295483380590).

404257145362 is a wasteful number, since it uses less digits than its factorization.

404257145362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280344873.

The product of its (nonzero) digits is 806400, while the sum is 43.

Adding to 404257145362 its reverse (263541752404), we get a palindrome (667798897766).

The spelling of 404257145362 in words is "four hundred four billion, two hundred fifty-seven million, one hundred forty-five thousand, three hundred sixty-two".