4531245840 has 160 divisors (see below), whose sum is σ = 17026588800. Its totient is φ = 1098478080.

The previous prime is 4531245833. The next prime is 4531245857. The reversal of 4531245840 is 485421354.

It is a happy number.

4531245840 is a `hidden beast` number, since 4 + 53 + 1 + 24 + 584 + 0 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 4531245795 and 4531245804.

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, 71595 + ... + 119114.

It is an arithmetic number, because the mean of its divisors is an integer number (106416180).

Almost surely, 2^4531245840 is an apocalyptic number.

4531245840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4531245840 is an abundant number, since it is smaller than the sum of its proper divisors (12495342960).

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

4531245840 is a wasteful number, since it uses less digits than its factorization.

4531245840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190742 (or 190730 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The square root of 4531245840 is about 67314.5291894699. The cubic root of 4531245840 is about 1654.7759806068.

The spelling of 4531245840 in words is "four billion, five hundred thirty-one million, two hundred forty-five thousand, eight hundred forty".