2404028840 has 64 divisors (see below), whose sum is σ = 5488203600. Its totient is φ = 947617792.

The previous prime is 2404028833. The next prime is 2404028843. The reversal of 2404028840 is 488204042.

It can be written as a sum of positive squares in 8 ways, for example, as 1021825156 + 1382203684 = 31966^2 + 37178^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2404028797 and 2404028806.

It is not an unprimeable number, because it can be changed into a prime (2404028843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1255724 + ... + 1257636.

Almost surely, 2^2404028840 is an apocalyptic number.

2404028840 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 2404028840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2744101800).

2404028840 is an abundant number, since it is smaller than the sum of its proper divisors (3084174760).

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

2404028840 is a wasteful number, since it uses less digits than its factorization.

2404028840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2366 (or 2362 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 32.

The square root of 2404028840 is about 49030.8967896774. The cubic root of 2404028840 is about 1339.6146586351.

The spelling of 2404028840 in words is "two billion, four hundred four million, twenty-eight thousand, eight hundred forty".