2744397980 has 24 divisors (see below), whose sum is σ = 5860920240. Its totient is φ = 1079152640.

The previous prime is 2744397979. The next prime is 2744397983. The reversal of 2744397980 is 897934472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2744397983) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1161701 + ... + 1164060.

It is an arithmetic number, because the mean of its divisors is an integer number (244205010).

Almost surely, 2^2744397980 is an apocalyptic number.

2744397980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2744397980 is an abundant number, since it is smaller than the sum of its proper divisors (3116522260).

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

2744397980 is a wasteful number, since it uses less digits than its factorization.

2744397980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2325829 (or 2325827 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 53.

The square root of 2744397980 is about 52387.0020138584. The cubic root of 2744397980 is about 1400.0676804015.

The spelling of 2744397980 in words is "two billion, seven hundred forty-four million, three hundred ninety-seven thousand, nine hundred eighty".