431450442 has 64 divisors (see below), whose sum is σ = 1022208000. Its totient is φ = 134497584.

The previous prime is 431450413. The next prime is 431450443. The reversal of 431450442 is 244054134.

It is a happy number.

It is a super-2 number, since 2×431450442² = 372298967803990728, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (431450443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78393 + ... + 83715.

It is an arithmetic number, because the mean of its divisors is an integer number (15972000).

Almost surely, 2^431450442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 431450442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (511104000).

431450442 is an abundant number, since it is smaller than the sum of its proper divisors (590757558).

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

431450442 is a wasteful number, since it uses less digits than its factorization.

431450442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5432 (or 5426 counting only the distinct ones).

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

The square root of 431450442 is about 20771.3851728767. The cubic root of 431450442 is about 755.6319384988.

It can be divided in two parts, 4314 and 50442, that added together give a square (54756 = 234²).

The spelling of 431450442 in words is "four hundred thirty-one million, four hundred fifty thousand, four hundred forty-two".