5431044720 has 160 divisors (see below), whose sum is σ = 17286375744. Its totient is φ = 1410048000.

The previous prime is 5431044709. The next prime is 5431044727. The reversal of 5431044720 is 274401345.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5431044727) 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, 1476804 + ... + 1480476.

Almost surely, 2^5431044720 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5431044720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8643187872).

5431044720 is an abundant number, since it is smaller than the sum of its proper divisors (11855331024).

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

5431044720 is a wasteful number, since it uses less digits than its factorization.

5431044720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3851 (or 3845 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 5431044720 is about 73695.6221223486. The cubic root of 5431044720 is about 1757.7662691873.

The spelling of 5431044720 in words is "five billion, four hundred thirty-one million, forty-four thousand, seven hundred twenty".