2749913440 has 24 divisors (see below), whose sum is σ = 6496670880. Its totient is φ = 1099965312.

The previous prime is 2749913437. The next prime is 2749913461. The reversal of 2749913440 is 443199472.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8593320 + ... + 8593639.

It is an arithmetic number, because the mean of its divisors is an integer number (270694620).

Almost surely, 2^2749913440 is an apocalyptic number.

2749913440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2749913440 is an abundant number, since it is smaller than the sum of its proper divisors (3746757440).

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

2749913440 is a wasteful number, since it uses less digits than its factorization.

2749913440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17186974 (or 17186966 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 2749913440 is about 52439.6170847957. The cubic root of 2749913440 is about 1401.0049655053.

The spelling of 2749913440 in words is "two billion, seven hundred forty-nine million, nine hundred thirteen thousand, four hundred forty".