537999240 has 64 divisors (see below), whose sum is σ = 1657632960. Its totient is φ = 139587840.

The previous prime is 537999239. The next prime is 537999283. The reversal of 537999240 is 42999735.

It is a self number, because there is not a number n which added to its sum of digits gives 537999240.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56146 + ... + 65025.

It is an arithmetic number, because the mean of its divisors is an integer number (25900515).

Almost surely, 2^537999240 is an apocalyptic number.

It is an amenable number.

537999240 is an abundant number, since it is smaller than the sum of its proper divisors (1119633720).

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

537999240 is a wasteful number, since it uses less digits than its factorization.

537999240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121222 (or 121218 counting only the distinct ones).

The product of its (nonzero) digits is 612360, while the sum is 48.

The square root of 537999240 is about 23194.8106265173. The cubic root of 537999240 is about 813.3183184245.

The spelling of 537999240 in words is "five hundred thirty-seven million, nine hundred ninety-nine thousand, two hundred forty".