2744397264 has 160 divisors (see below), whose sum is σ = 8417746944. Its totient is φ = 753937920.

The previous prime is 2744397247. The next prime is 2744397277. The reversal of 2744397264 is 4627934472.

It is a happy number.

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

It is a congruent number.

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, 1801207 + ... + 1802729.

Almost surely, 2^2744397264 is an apocalyptic number.

2744397264 is a gapful number since it is divisible by the number (24) 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 2744397264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4208873472).

2744397264 is an abundant number, since it is smaller than the sum of its proper divisors (5673349680).

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

2744397264 is a wasteful number, since it uses less digits than its factorization.

2744397264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1745 (or 1739 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 48.

The square root of 2744397264 is about 52386.9951801017. The cubic root of 2744397264 is about 1400.0675586446.

The spelling of 2744397264 in words is "two billion, seven hundred forty-four million, three hundred ninety-seven thousand, two hundred sixty-four".