2421731740 has 12 divisors (see below), whose sum is σ = 5085636696. Its totient is φ = 968692688.

The previous prime is 2421731723. The next prime is 2421731761. The reversal of 2421731740 is 471371242.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60543274 + ... + 60543313.

It is an arithmetic number, because the mean of its divisors is an integer number (423803058).

Almost surely, 2^2421731740 is an apocalyptic number.

2421731740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2421731740 is an abundant number, since it is smaller than the sum of its proper divisors (2663904956).

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

2421731740 is a wasteful number, since it uses less digits than its factorization.

2421731740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121086596 (or 121086594 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 2421731740 is about 49211.0936679932. The cubic root of 2421731740 is about 1342.8948591554.

The spelling of 2421731740 in words is "two billion, four hundred twenty-one million, seven hundred thirty-one thousand, seven hundred forty".