2403643564 has 48 divisors (see below), whose sum is σ = 5094432000. Its totient is φ = 969333696.

The previous prime is 2403643537. The next prime is 2403643609. The reversal of 2403643564 is 4653463042.

It is a happy number.

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, 64107 + ... + 94429.

It is an arithmetic number, because the mean of its divisors is an integer number (106134000).

Almost surely, 2^2403643564 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 2403643564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2547216000).

2403643564 is an abundant number, since it is smaller than the sum of its proper divisors (2690788436).

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

2403643564 is a wasteful number, since it uses less digits than its factorization.

2403643564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30502 (or 30500 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 37.

The square root of 2403643564 is about 49026.9677218569. The cubic root of 2403643564 is about 1339.5430914194.

It can be divided in two parts, 24036 and 43564, that added together give a square (67600 = 260²).

The spelling of 2403643564 in words is "two billion, four hundred three million, six hundred forty-three thousand, five hundred sixty-four".