2294509140 has 384 divisors, whose sum is σ = 8986521600. Its totient is φ = 472158720.

The previous prime is 2294509093. The next prime is 2294509171. The reversal of 2294509140 is 419054922.

2294509140 is a `hidden beast` number, since 2 + 2 + 9 + 4 + 509 + 140 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2294509095 and 2294509104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 5779422 + ... + 5779818.

It is an arithmetic number, because the mean of its divisors is an integer number (23402400).

Almost surely, 2^2294509140 is an apocalyptic number.

2294509140 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 2294509140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4493260800).

2294509140 is an abundant number, since it is smaller than the sum of its proper divisors (6692012460).

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

2294509140 is a wasteful number, since it uses less digits than its factorization.

2294509140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572 (or 564 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 2294509140 is about 47901.0348531219. The cubic root of 2294509140 is about 1318.9548545146.

The spelling of 2294509140 in words is "two billion, two hundred ninety-four million, five hundred nine thousand, one hundred forty".