431026680 has 128 divisors (see below), whose sum is σ = 1489466880. Its totient is φ = 97743360.

The previous prime is 431026679. The next prime is 431026747. The reversal of 431026680 is 86620134.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108082 + ... + 111998.

It is an arithmetic number, because the mean of its divisors is an integer number (11636460).

Almost surely, 2^431026680 is an apocalyptic number.

431026680 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 431026680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (744733440).

431026680 is an abundant number, since it is smaller than the sum of its proper divisors (1058440200).

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

431026680 is a wasteful number, since it uses less digits than its factorization.

431026680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4069 (or 4065 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 431026680 is about 20761.1820472727. The cubic root of 431026680 is about 755.3844685992.

The spelling of 431026680 in words is "four hundred thirty-one million, twenty-six thousand, six hundred eighty".