2273564240 has 40 divisors (see below), whose sum is σ = 5288173440. Its totient is φ = 909058176.

The previous prime is 2273564239. The next prime is 2273564281. The reversal of 2273564240 is 424653722.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 2273564240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284621 + ... + 292499.

It is an arithmetic number, because the mean of its divisors is an integer number (132204336).

Almost surely, 2^2273564240 is an apocalyptic number.

2273564240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2273564240 is an abundant number, since it is smaller than the sum of its proper divisors (3014609200).

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

2273564240 is a wasteful number, since it uses less digits than its factorization.

2273564240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11499 (or 11493 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 35.

The square root of 2273564240 is about 47681.9068410650. The cubic root of 2273564240 is about 1314.9293219590.

The spelling of 2273564240 in words is "two billion, two hundred seventy-three million, five hundred sixty-four thousand, two hundred forty".