401297838528 has 28 divisors (see below), whose sum is σ = 1061767198280. Its totient is φ = 133765946112.

The previous prime is 401297838509. The next prime is 401297838533. The reversal of 401297838528 is 825838792104.

It is a super-2 number, since 2×401297838528² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1045046263 + ... + 1045046646.

Almost surely, 2^401297838528 is an apocalyptic number.

401297838528 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

401297838528 is an abundant number, since it is smaller than the sum of its proper divisors (660469359752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401297838528 is a wasteful number, since it uses less digits than its factorization.

401297838528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2090092924 (or 2090092914 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 57.

The spelling of 401297838528 in words is "four hundred one billion, two hundred ninety-seven million, eight hundred thirty-eight thousand, five hundred twenty-eight".