401246258281 has 4 divisors (see below), whose sum is σ = 437723190864. Its totient is φ = 364769325700.

The previous prime is 401246258269. The next prime is 401246258291. The reversal of 401246258281 is 182852642104.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 401246258281 - 2²⁵ = 401212703849 is a prime.

It is a super-2 number, since 2×401246258281² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401246258221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18238466275 + ... + 18238466296.

It is an arithmetic number, because the mean of its divisors is an integer number (109430797716).

Almost surely, 2^401246258281 is an apocalyptic number.

It is an amenable number.

401246258281 is a deficient number, since it is larger than the sum of its proper divisors (36476932583).

401246258281 is a wasteful number, since it uses less digits than its factorization.

401246258281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36476932582.

The product of its (nonzero) digits is 245760, while the sum is 43.

The spelling of 401246258281 in words is "four hundred one billion, two hundred forty-six million, two hundred fifty-eight thousand, two hundred eighty-one".