2404427687840 has 24 divisors (see below), whose sum is σ = 5680460412900. Its totient is φ = 961771075072.

The previous prime is 2404427687807. The next prime is 2404427687867. The reversal of 2404427687840 is 487867244042.

It can be written as a sum of positive squares in 2 ways, for example, as 2397257662864 + 7170024976 = 1548308^2 + 84676^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7513836365 + ... + 7513836684.

Almost surely, 2^{2404427687840} is an apocalyptic number.

2404427687840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2404427687840 is an abundant number, since it is smaller than the sum of its proper divisors (3276032725060).

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

2404427687840 is a wasteful number, since it uses less digits than its factorization.

2404427687840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15027673064 (or 15027673056 counting only the distinct ones).

The product of its (nonzero) digits is 19267584, while the sum is 56.

The spelling of 2404427687840 in words is "two trillion, four hundred four billion, four hundred twenty-seven million, six hundred eighty-seven thousand, eight hundred forty".