401622881513 has 72 divisors (see below), whose sum is σ = 494552131200. Its totient is φ = 325943982000.

The previous prime is 401622881507. The next prime is 401622881519. The reversal of 401622881513 is 315188226104.

It is an interprime number because it is at equal distance from previous prime (401622881507) and next prime (401622881519).

It is not a de Polignac number, because 401622881513 - 2¹⁴ = 401622865129 is a prime.

It is a super-2 number, since 2×401622881513² (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 (401622881519) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3065823458 + ... + 3065823588.

It is an arithmetic number, because the mean of its divisors is an integer number (6868779600).

Almost surely, 2^401622881513 is an apocalyptic number.

It is an amenable number.

401622881513 is a deficient number, since it is larger than the sum of its proper divisors (92929249687).

401622881513 is an frugal number, since it uses more digits than its factorization.

401622881513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416 (or 240 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 41.

The spelling of 401622881513 in words is "four hundred one billion, six hundred twenty-two million, eight hundred eighty-one thousand, five hundred thirteen".