5431672512 has 224 divisors, whose sum is σ = 18327664640. Its totient is φ = 1545246720.

The previous prime is 5431672489. The next prime is 5431672517. The reversal of 5431672512 is 2152761345.

5431672512 is a `hidden beast` number, since 54 + 31 + 67 + 2 + 512 = 666.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (5431672517) 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, 3277188 + ... + 3278844.

Almost surely, 2^5431672512 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 5431672512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9163832320).

5431672512 is an abundant number, since it is smaller than the sum of its proper divisors (12895992128).

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

5431672512 is a wasteful number, since it uses less digits than its factorization.

5431672512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1956 (or 1940 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 5431672512 is about 73699.8813567566. The cubic root of 5431672512 is about 1757.8339952045.

The spelling of 5431672512 in words is "five billion, four hundred thirty-one million, six hundred seventy-two thousand, five hundred twelve".