401576226007321 has 4 divisors (see below), whose sum is σ = 401584928162512. Its totient is φ = 401567523852132.

The previous prime is 401576226007283. The next prime is 401576226007331. The reversal of 401576226007321 is 123700622675104.

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 401576226007321 - 2²³ = 401576217618713 is a prime.

It is a super-2 number, since 2×401576226007321² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401576226007331) 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, 4351008375 + ... + 4351100668.

It is an arithmetic number, because the mean of its divisors is an integer number (100396232040628).

Almost surely, 2^{401576226007321} is an apocalyptic number.

It is an amenable number.

401576226007321 is a deficient number, since it is larger than the sum of its proper divisors (8702155191).

401576226007321 is an equidigital number, since it uses as much as digits as its factorization.

401576226007321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8702155190.

The product of its (nonzero) digits is 846720, while the sum is 46.

The spelling of 401576226007321 in words is "four hundred one trillion, five hundred seventy-six billion, two hundred twenty-six million, seven thousand, three hundred twenty-one".