401424453 has 6 divisors (see below), whose sum is σ = 579835334. Its totient is φ = 267616296.

The previous prime is 401424431. The next prime is 401424461. The reversal of 401424453 is 354424104.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 370254564 + 31169889 = 19242^2 + 5583^2 .

It is not a de Polignac number, because 401424453 - 2⁵ = 401424421 is a prime.

It is a super-2 number, since 2×401424453² = 322283182932698418, 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 (401424493) 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, 22301350 + ... + 22301367.

Almost surely, 2^401424453 is an apocalyptic number.

It is an amenable number.

401424453 is a deficient number, since it is larger than the sum of its proper divisors (178410881).

401424453 is a wasteful number, since it uses less digits than its factorization.

401424453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44602723 (or 44602720 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 401424453 is about 20035.5796771643. The cubic root of 401424453 is about 737.6798851828.

Adding to 401424453 its reverse (354424104), we get a palindrome (755848557).

The spelling of 401424453 in words is "four hundred one million, four hundred twenty-four thousand, four hundred fifty-three".