2425404136240 has 40 divisors (see below), whose sum is σ = 5644981965888. Its totient is φ = 969143616000.

The previous prime is 2425404136159. The next prime is 2425404136277. The reversal of 2425404136240 is 426314045242.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 2425404136240.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15830136 + ... + 15982615.

Almost surely, 2^{2425404136240} is an apocalyptic number.

2425404136240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2425404136240 is an abundant number, since it is smaller than the sum of its proper divisors (3219577829648).

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

2425404136240 is a wasteful number, since it uses less digits than its factorization.

2425404136240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31813717 (or 31813711 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 37.

The spelling of 2425404136240 in words is "two trillion, four hundred twenty-five billion, four hundred four million, one hundred thirty-six thousand, two hundred forty".