432023040440 has 64 divisors (see below), whose sum is σ = 1024460244000. Its totient is φ = 163514350080.

The previous prime is 432023040389. The next prime is 432023040451. The reversal of 432023040440 is 44040320234.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 277766 + ... + 970154.

Almost surely, 2^432023040440 is an apocalyptic number.

432023040440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 432023040440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (512230122000).

432023040440 is an abundant number, since it is smaller than the sum of its proper divisors (592437203560).

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

432023040440 is a wasteful number, since it uses less digits than its factorization.

432023040440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693240 (or 693236 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 432023040440 its reverse (44040320234), we get a palindrome (476063360674).

The spelling of 432023040440 in words is "four hundred thirty-two billion, twenty-three million, forty thousand, four hundred forty".