2239537520 has 40 divisors (see below), whose sum is σ = 5680283760. Its totient is φ = 814376960.

The previous prime is 2239537519. The next prime is 2239537541. The reversal of 2239537520 is 257359322.

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

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, 1271585 + ... + 1273344.

It is an arithmetic number, because the mean of its divisors is an integer number (142007094).

Almost surely, 2^2239537520 is an apocalyptic number.

2239537520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2239537520 is an abundant number, since it is smaller than the sum of its proper divisors (3440746240).

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

2239537520 is a wasteful number, since it uses less digits than its factorization.

2239537520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2544953 (or 2544947 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 38.

The square root of 2239537520 is about 47323.7521758366. The cubic root of 2239537520 is about 1308.3364700949.

The spelling of 2239537520 in words is "two billion, two hundred thirty-nine million, five hundred thirty-seven thousand, five hundred twenty".