432021140 has 24 divisors (see below), whose sum is σ = 916056960. Its totient is φ = 171129888.

The previous prime is 432021127. The next prime is 432021157. The reversal of 432021140 is 41120234.

It is a congruent number.

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, 102800 + ... + 106919.

It is an arithmetic number, because the mean of its divisors is an integer number (38169040).

Almost surely, 2^432021140 is an apocalyptic number.

It is an amenable number.

432021140 is an abundant number, since it is smaller than the sum of its proper divisors (484035820).

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

432021140 is a wasteful number, since it uses less digits than its factorization.

432021140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209831 (or 209829 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 432021140 is about 20785.1182339673. The cubic root of 432021140 is about 755.9649606298.

Adding to 432021140 its reverse (41120234), we get a palindrome (473141374).

The spelling of 432021140 in words is "four hundred thirty-two million, twenty-one thousand, one hundred forty".