2457722880 has 336 divisors, whose sum is σ = 8740658160. Its totient is φ = 638582784.

The previous prime is 2457722867. The next prime is 2457722881. The reversal of 2457722880 is 882277542.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2457722881) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21749704 + ... + 21749816.

Almost surely, 2^2457722880 is an apocalyptic number.

2457722880 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 2457722880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4370329080).

2457722880 is an abundant number, since it is smaller than the sum of its proper divisors (6282935280).

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

2457722880 is a wasteful number, since it uses less digits than its factorization.

2457722880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209 (or 182 counting only the distinct ones).

The product of its (nonzero) digits is 501760, while the sum is 45.

The square root of 2457722880 is about 49575.4261706342. The cubic root of 2457722880 is about 1349.5147556457.

The spelling of 2457722880 in words is "two billion, four hundred fifty-seven million, seven hundred twenty-two thousand, eight hundred eighty".