2421738940 has 24 divisors (see below), whose sum is σ = 5094340272. Its totient is φ = 967040640.

The previous prime is 2421738937. The next prime is 2421738947. The reversal of 2421738940 is 498371242.

It is a junction number, because it is equal to n+sod(n) for n = 2421738893 and 2421738902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2421738947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91401 + ... + 114880.

It is an arithmetic number, because the mean of its divisors is an integer number (212264178).

Almost surely, 2^2421738940 is an apocalyptic number.

2421738940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2421738940 is an abundant number, since it is smaller than the sum of its proper divisors (2672601332).

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

2421738940 is a wasteful number, since it uses less digits than its factorization.

2421738940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206877 (or 206875 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 2421738940 is about 49211.1668221756. The cubic root of 2421738940 is about 1342.8961899983.

The spelling of 2421738940 in words is "two billion, four hundred twenty-one million, seven hundred thirty-eight thousand, nine hundred forty".