2421731760 has 160 divisors (see below), whose sum is σ = 8603830272. Its totient is φ = 551992320.

The previous prime is 2421731723. The next prime is 2421731761. The reversal of 2421731760 is 671371242.

It is not an unprimeable number, because it can be changed into a prime (2421731761) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 665145 + ... + 668775.

Almost surely, 2^2421731760 is an apocalyptic number.

2421731760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2421731760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4301915136).

2421731760 is an abundant number, since it is smaller than the sum of its proper divisors (6182098512).

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

2421731760 is a wasteful number, since it uses less digits than its factorization.

2421731760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4051 (or 4045 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 2421731760 is about 49211.0938711994. The cubic root of 2421731760 is about 1342.8948628522.

The spelling of 2421731760 in words is "two billion, four hundred twenty-one million, seven hundred thirty-one thousand, seven hundred sixty".