2421089993640 has 64 divisors (see below), whose sum is σ = 7283845944000. Its totient is φ = 643795023872.

The previous prime is 2421089993557. The next prime is 2421089993669. The reversal of 2421089993640 is 463999801242.

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 15 ways as a sum of consecutive naturals, for example, 28535190 + ... + 28619909.

It is an arithmetic number, because the mean of its divisors is an integer number (113810092875).

Almost surely, 2^{2421089993640} is an apocalyptic number.

2421089993640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2421089993640 is an abundant number, since it is smaller than the sum of its proper divisors (4862755950360).

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

2421089993640 is a wasteful number, since it uses less digits than its factorization.

2421089993640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57155466 (or 57155462 counting only the distinct ones).

The product of its (nonzero) digits is 6718464, while the sum is 57.

The spelling of 2421089993640 in words is "two trillion, four hundred twenty-one billion, eighty-nine million, nine hundred ninety-three thousand, six hundred forty".