2452387720 has 64 divisors (see below), whose sum is σ = 5601960000. Its totient is φ = 966083328.

The previous prime is 2452387657. The next prime is 2452387759. The reversal of 2452387720 is 277832542.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1257306 + ... + 1259254.

It is an arithmetic number, because the mean of its divisors is an integer number (87530625).

Almost surely, 2^2452387720 is an apocalyptic number.

2452387720 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 2452387720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2800980000).

2452387720 is an abundant number, since it is smaller than the sum of its proper divisors (3149572280).

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

2452387720 is a wasteful number, since it uses less digits than its factorization.

2452387720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2422 (or 2418 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 40.

The square root of 2452387720 is about 49521.5884236360. The cubic root of 2452387720 is about 1348.5375511960.

The spelling of 2452387720 in words is "two billion, four hundred fifty-two million, three hundred eighty-seven thousand, seven hundred twenty".