401252888801 has 4 divisors (see below), whose sum is σ = 401299658004. Its totient is φ = 401206119600.

The previous prime is 401252888791. The next prime is 401252888821. The reversal of 401252888801 is 108888252104.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11009045776 + 390243843025 = 104924^2 + 624695^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-401252888801 is a prime.

It is a super-2 number, since 2×401252888801² (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 (401252888821) 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, 23371730 + ... + 23388891.

It is an arithmetic number, because the mean of its divisors is an integer number (100324914501).

Almost surely, 2^401252888801 is an apocalyptic number.

It is an amenable number.

401252888801 is a deficient number, since it is larger than the sum of its proper divisors (46769203).

401252888801 is an equidigital number, since it uses as much as digits as its factorization.

401252888801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46769202.

The product of its (nonzero) digits is 327680, while the sum is 47.

The spelling of 401252888801 in words is "four hundred one billion, two hundred fifty-two million, eight hundred eighty-eight thousand, eight hundred one".