401424575 has 6 divisors (see below), whose sum is σ = 497766504. Its totient is φ = 321139640.

The previous prime is 401424559. The next prime is 401424577. The reversal of 401424575 is 575424104.

It is not a de Polignac number, because 401424575 - 2⁴ = 401424559 is a prime.

It is a super-2 number, since 2×401424575² = 322283378827861250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401424577) 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, 8028467 + ... + 8028516.

It is an arithmetic number, because the mean of its divisors is an integer number (82961084).

Almost surely, 2^401424575 is an apocalyptic number.

401424575 is a deficient number, since it is larger than the sum of its proper divisors (96341929).

401424575 is a wasteful number, since it uses less digits than its factorization.

401424575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16056993 (or 16056988 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 32.

The square root of 401424575 is about 20035.5827217478. The cubic root of 401424575 is about 737.6799599141.

Adding to 401424575 its reverse (575424104), we get a palindrome (976848679).

The spelling of 401424575 in words is "four hundred one million, four hundred twenty-four thousand, five hundred seventy-five".