401529889007 has 24 divisors (see below), whose sum is σ = 468839543760. Its totient is φ = 342571057920.

The previous prime is 401529888889. The next prime is 401529889009. The reversal of 401529889007 is 700988925104.

It is not a de Polignac number, because 401529889007 - 2²⁰ = 401528840431 is a prime.

It is a super-2 number, since 2×401529889007² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 401529889007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401529889009) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1393328 + ... + 1656629.

It is an arithmetic number, because the mean of its divisors is an integer number (19534980990).

Almost surely, 2^401529889007 is an apocalyptic number.

401529889007 is a deficient number, since it is larger than the sum of its proper divisors (67309654753).

401529889007 is a wasteful number, since it uses less digits than its factorization.

401529889007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3050043 (or 3050030 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 53.

The spelling of 401529889007 in words is "four hundred one billion, five hundred twenty-nine million, eight hundred eighty-nine thousand, seven".