424400452 has 24 divisors (see below), whose sum is σ = 863190720. Its totient is φ = 178802400.

The previous prime is 424400437. The next prime is 424400467. The reversal of 424400452 is 254004424.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (424400437) and next prime (424400467).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126799 + ... + 130102.

It is an arithmetic number, because the mean of its divisors is an integer number (35966280).

Almost surely, 2^424400452 is an apocalyptic number.

It is an amenable number.

424400452 is an abundant number, since it is smaller than the sum of its proper divisors (438790268).

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

424400452 is a wasteful number, since it uses less digits than its factorization.

424400452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256971 (or 256969 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 25.

The square root of 424400452 is about 20600.9818212628. The cubic root of 424400452 is about 751.4935877678.

Adding to 424400452 its reverse (254004424), we get a palindrome (678404876).

The spelling of 424400452 in words is "four hundred twenty-four million, four hundred thousand, four hundred fifty-two".