4451615564 has 48 divisors (see below), whose sum is σ = 9025188480. Its totient is φ = 1899959040.

The previous prime is 4451615561. The next prime is 4451615579. The reversal of 4451615564 is 4655161544.

It is a super-2 number, since 2×4451615564² = 39633762259294076192, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4451615561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70907 + ... + 118029.

It is an arithmetic number, because the mean of its divisors is an integer number (188024760).

Almost surely, 2^4451615564 is an apocalyptic number.

4451615564 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4451615564 is an abundant number, since it is smaller than the sum of its proper divisors (4573572916).

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

4451615564 is a wasteful number, since it uses less digits than its factorization.

4451615564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47270 (or 47268 counting only the distinct ones).

The product of its digits is 288000, while the sum is 41.

The square root of 4451615564 is about 66720.4283859149. The cubic root of 4451615564 is about 1645.0251828014.

The spelling of 4451615564 in words is "four billion, four hundred fifty-one million, six hundred fifteen thousand, five hundred sixty-four".