401525422443 has 6 divisors (see below), whose sum is σ = 579981165764. Its totient is φ = 267683614956.

The previous prime is 401525422439. The next prime is 401525422471. The reversal of 401525422443 is 344224525104.

401525422443 is a `hidden beast` number, since 4 + 0 + 1 + 52 + 542 + 24 + 43 = 666.

It is not a de Polignac number, because 401525422443 - 2² = 401525422439 is a prime.

It is a super-2 number, since 2×401525422443² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 401525422398 and 401525422407.

It is not an unprimeable number, because it can be changed into a prime (401525822443) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22306967905 + ... + 22306967922.

Almost surely, 2^401525422443 is an apocalyptic number.

401525422443 is a deficient number, since it is larger than the sum of its proper divisors (178455743321).

401525422443 is a wasteful number, since it uses less digits than its factorization.

401525422443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44613935833 (or 44613935830 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 36.

Adding to 401525422443 its reverse (344224525104), we get a palindrome (745749947547).

The spelling of 401525422443 in words is "four hundred one billion, five hundred twenty-five million, four hundred twenty-two thousand, four hundred forty-three".