2744402040 has 128 divisors (see below), whose sum is σ = 9237196800. Its totient is φ = 724705920.

The previous prime is 2744401993. The next prime is 2744402053. The reversal of 2744402040 is 402044472.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 2744401995 and 2744402013.

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, 98905 + ... + 123575.

It is an arithmetic number, because the mean of its divisors is an integer number (72165600).

Almost surely, 2^2744402040 is an apocalyptic number.

2744402040 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 2744402040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4618598400).

2744402040 is an abundant number, since it is smaller than the sum of its proper divisors (6492794760).

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

2744402040 is a wasteful number, since it uses less digits than its factorization.

2744402040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24794 (or 24784 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 27.

The square root of 2744402040 is about 52387.0407639141. The cubic root of 2744402040 is about 1400.0683708106.

The spelling of 2744402040 in words is "two billion, seven hundred forty-four million, four hundred two thousand, forty".