6472389240 has 160 divisors (see below), whose sum is σ = 22260815280. Its totient is φ = 1685795328.

The previous prime is 6472389227. The next prime is 6472389257. The reversal of 6472389240 is 429832746.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 116092 + ... + 162548.

Almost surely, 2^6472389240 is an apocalyptic number.

6472389240 is a gapful number since it is divisible by the number (60) 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 6472389240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11130407640).

6472389240 is an abundant number, since it is smaller than the sum of its proper divisors (15788426040).

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

6472389240 is a wasteful number, since it uses less digits than its factorization.

6472389240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46523 (or 46510 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The square root of 6472389240 is about 80451.1605882724. The cubic root of 6472389240 is about 1863.6093287186.

The spelling of 6472389240 in words is "six billion, four hundred seventy-two million, three hundred eighty-nine thousand, two hundred forty".