2440564 has 24 divisors (see below), whose sum is σ = 4935168. Its totient is φ = 1034400.

The previous prime is 2440561. The next prime is 2440573. The reversal of 2440564 is 4650442.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2440561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2397 + ... + 3259.

It is an arithmetic number, because the mean of its divisors is an integer number (205632).

2^2440564 is an apocalyptic number.

It is an amenable number.

2440564 is an abundant number, since it is smaller than the sum of its proper divisors (2494604).

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

2440564 is a wasteful number, since it uses less digits than its factorization.

2440564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975 (or 973 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 2440564 is about 1562.2304567509. The cubic root of 2440564 is about 134.6366819930.

It can be divided in two parts, 2 and 440564, that multiplied together give a triangular number (881128 = T₁₃₂₇).

The spelling of 2440564 in words is "two million, four hundred forty thousand, five hundred sixty-four".