2259040740 has 96 divisors (see below), whose sum is σ = 6968868480. Its totient is φ = 542208000.

The previous prime is 2259040727. The next prime is 2259040741. The reversal of 2259040740 is 470409522.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (2259040741) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49716 + ... + 83604.

It is an arithmetic number, because the mean of its divisors is an integer number (72592380).

Almost surely, 2^2259040740 is an apocalyptic number.

2259040740 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 2259040740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3484434240).

2259040740 is an abundant number, since it is smaller than the sum of its proper divisors (4709827740).

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

2259040740 is a wasteful number, since it uses less digits than its factorization.

2259040740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34013 (or 34011 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 2259040740 is about 47529.3671323320. The cubic root of 2259040740 is about 1312.1234213966.

The spelling of 2259040740 in words is "two billion, two hundred fifty-nine million, forty thousand, seven hundred forty".