2738491392 has 416 divisors, whose sum is σ = 9394094080. Its totient is φ = 690094080.

The previous prime is 2738491369. The next prime is 2738491411. The reversal of 2738491392 is 2931948372.

It is a tau number, because it is divible by the number of its divisors (416).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34664409 + ... + 34664487.

Almost surely, 2^2738491392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2738491392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4697047040).

2738491392 is an abundant number, since it is smaller than the sum of its proper divisors (6655602688).

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

2738491392 is a wasteful number, since it uses less digits than its factorization.

2738491392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157 (or 135 counting only the distinct ones).

The product of its digits is 653184, while the sum is 48.

The square root of 2738491392 is about 52330.5970919499. The cubic root of 2738491392 is about 1399.0625343006.

The spelling of 2738491392 in words is "two billion, seven hundred thirty-eight million, four hundred ninety-one thousand, three hundred ninety-two".