2294009840 has 160 divisors (see below), whose sum is σ = 5798200320. Its totient is φ = 841300992.

The previous prime is 2294009813. The next prime is 2294009843. The reversal of 2294009840 is 489004922.

It is a super-2 number, since 2×2294009840² = 10524962292033651200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 2294009794 and 2294009803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2294009843) 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, 11644622 + ... + 11644818.

It is an arithmetic number, because the mean of its divisors is an integer number (36238752).

Almost surely, 2^2294009840 is an apocalyptic number.

2294009840 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 2294009840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2899100160).

2294009840 is an abundant number, since it is smaller than the sum of its proper divisors (3504190480).

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

2294009840 is a wasteful number, since it uses less digits than its factorization.

2294009840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439 (or 433 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 2294009840 is about 47895.8227823680. The cubic root of 2294009840 is about 1318.8591765441.

The spelling of 2294009840 in words is "two billion, two hundred ninety-four million, nine thousand, eight hundred forty".