4540331664 has 80 divisors (see below), whose sum is σ = 14217215040. Its totient is φ = 1375856640.

The previous prime is 4540331651. The next prime is 4540331689. The reversal of 4540331664 is 4661330454.

It is a super-2 number, since 2×4540331664² = 41229223238242017792, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 472977 + ... + 482480.

It is an arithmetic number, because the mean of its divisors is an integer number (177715188).

Almost surely, 2^4540331664 is an apocalyptic number.

4540331664 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4540331664 is an abundant number, since it is smaller than the sum of its proper divisors (9676883376).

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

4540331664 is a wasteful number, since it uses less digits than its factorization.

4540331664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955485 (or 955473 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The square root of 4540331664 is about 67381.9832299406. The cubic root of 4540331664 is about 1655.8812664294.

The spelling of 4540331664 in words is "four billion, five hundred forty million, three hundred thirty-one thousand, six hundred sixty-four".