537580240 has 40 divisors (see below), whose sum is σ = 1250991360. Its totient is φ = 214839936.

The previous prime is 537580231. The next prime is 537580247. The reversal of 537580240 is 42085735.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 537580196 and 537580205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (537580247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116701 + ... + 121219.

It is an arithmetic number, because the mean of its divisors is an integer number (31274784).

Almost surely, 2^537580240 is an apocalyptic number.

It is an amenable number.

537580240 is an abundant number, since it is smaller than the sum of its proper divisors (713411120).

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

537580240 is a wasteful number, since it uses less digits than its factorization.

537580240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6019 (or 6013 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 537580240 is about 23185.7766745046. The cubic root of 537580240 is about 813.1071230322.

The spelling of 537580240 in words is "five hundred thirty-seven million, five hundred eighty thousand, two hundred forty".