5464787640 has 128 divisors (see below), whose sum is σ = 17904499200. Its totient is φ = 1326205440.

The previous prime is 5464787639. The next prime is 5464787681. The reversal of 5464787640 is 467874645.

It is a congruent number.

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, 86091 + ... + 135429.

It is an arithmetic number, because the mean of its divisors is an integer number (139878900).

Almost surely, 2^5464787640 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 5464787640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8952249600).

5464787640 is an abundant number, since it is smaller than the sum of its proper divisors (12439711560).

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

5464787640 is a wasteful number, since it uses less digits than its factorization.

5464787640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49437 (or 49433 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 51.

The square root of 5464787640 is about 73924.2019909583. The cubic root of 5464787640 is about 1761.3990726333.

The spelling of 5464787640 in words is "five billion, four hundred sixty-four million, seven hundred eighty-seven thousand, six hundred forty".