2404553640 has 64 divisors (see below), whose sum is σ = 7236820800. Its totient is φ = 639155712.

The previous prime is 2404553629. The next prime is 2404553651. The reversal of 2404553640 is 463554042.

It is an interprime number because it is at equal distance from previous prime (2404553629) and next prime (2404553651).

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, 5551 + ... + 69569.

It is an arithmetic number, because the mean of its divisors is an integer number (113075325).

Almost surely, 2^2404553640 is an apocalyptic number.

2404553640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2404553640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3618410400).

2404553640 is an abundant number, since it is smaller than the sum of its proper divisors (4832267160).

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

2404553640 is a wasteful number, since it uses less digits than its factorization.

2404553640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64346 (or 64342 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 33.

The square root of 2404553640 is about 49036.2482251650. The cubic root of 2404553640 is about 1339.7121309297.

The spelling of 2404553640 in words is "two billion, four hundred four million, five hundred fifty-three thousand, six hundred forty".