2244470040 has 128 divisors (see below), whose sum is σ = 7531660800. Its totient is φ = 594518400.

The previous prime is 2244470021. The next prime is 2244470077. The reversal of 2244470040 is 400744422.

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 = 2244469986 and 2244470013.

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, 156199 + ... + 169961.

It is an arithmetic number, because the mean of its divisors is an integer number (58841100).

Almost surely, 2^2244470040 is an apocalyptic number.

2244470040 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 2244470040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3765830400).

2244470040 is an abundant number, since it is smaller than the sum of its proper divisors (5287190760).

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

2244470040 is a wasteful number, since it uses less digits than its factorization.

2244470040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13934 (or 13924 counting only the distinct ones).

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

The square root of 2244470040 is about 47375.8381456202. The cubic root of 2244470040 is about 1309.2962908507.

The spelling of 2244470040 in words is "two billion, two hundred forty-four million, four hundred seventy thousand, forty".