2497769380 has 72 divisors (see below), whose sum is σ = 5457025728. Its totient is φ = 959821632.

The previous prime is 2497769371. The next prime is 2497769441. The reversal of 2497769380 is 839677942.

2497769380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3860217 + ... + 3860863.

It is an arithmetic number, because the mean of its divisors is an integer number (75792024).

Almost surely, 2^2497769380 is an apocalyptic number.

2497769380 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 2497769380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2728512864).

2497769380 is an abundant number, since it is smaller than the sum of its proper divisors (2959256348).

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

2497769380 is a wasteful number, since it uses less digits than its factorization.

2497769380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833 (or 764 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 55.

The square root of 2497769380 is about 49977.6888221134. The cubic root of 2497769380 is about 1356.8050325693.

The spelling of 2497769380 in words is "two billion, four hundred ninety-seven million, seven hundred sixty-nine thousand, three hundred eighty".