7464816840 has 128 divisors (see below), whose sum is σ = 24187968000. Its totient is φ = 1832094720.

The previous prime is 7464816811. The next prime is 7464816847. The reversal of 7464816840 is 486184647.

It is a self number, because there is not a number n which added to its sum of digits gives 7464816840.

It is not an unprimeable number, because it can be changed into a prime (7464816847) 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, 537585 + ... + 551295.

It is an arithmetic number, because the mean of its divisors is an integer number (188968500).

Almost surely, 2^7464816840 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 7464816840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12093984000).

7464816840 is an abundant number, since it is smaller than the sum of its proper divisors (16723151160).

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

7464816840 is a wasteful number, since it uses less digits than its factorization.

7464816840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14087 (or 14083 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 48.

The square root of 7464816840 is about 86399.1715238057. The cubic root of 7464816840 is about 1954.3681904263.

The spelling of 7464816840 in words is "seven billion, four hundred sixty-four million, eight hundred sixteen thousand, eight hundred forty".