2406577644 has 72 divisors (see below), whose sum is σ = 6321893760. Its totient is φ = 770982912.

The previous prime is 2406577637. The next prime is 2406577661. The reversal of 2406577644 is 4467756042.

It is a self number, because there is not a number n which added to its sum of digits gives 2406577644.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 227644 + ... + 237980.

It is an arithmetic number, because the mean of its divisors is an integer number (87804080).

Almost surely, 2^2406577644 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 2406577644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3160946880).

2406577644 is an abundant number, since it is smaller than the sum of its proper divisors (3915316116).

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

2406577644 is a wasteful number, since it uses less digits than its factorization.

2406577644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10599 (or 10594 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 45.

The square root of 2406577644 is about 49056.8817190820. The cubic root of 2406577644 is about 1340.0879210151.

The spelling of 2406577644 in words is "two billion, four hundred six million, five hundred seventy-seven thousand, six hundred forty-four".