537240540 has 48 divisors (see below), whose sum is σ = 1552803840. Its totient is φ = 138642240.

The previous prime is 537240521. The next prime is 537240541. The reversal of 537240540 is 45042735.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 537240498 and 537240507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (537240541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142560 + ... + 146279.

It is an arithmetic number, because the mean of its divisors is an integer number (32350080).

Almost surely, 2^537240540 is an apocalyptic number.

It is an amenable number.

537240540 is an abundant number, since it is smaller than the sum of its proper divisors (1015563300).

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

537240540 is a wasteful number, since it uses less digits than its factorization.

537240540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288882 (or 288880 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 537240540 is about 23178.4499050303. The cubic root of 537240540 is about 812.9358179447.

The spelling of 537240540 in words is "five hundred thirty-seven million, two hundred forty thousand, five hundred forty".