537944840 has 16 divisors (see below), whose sum is σ = 1210375980. Its totient is φ = 215177920.

The previous prime is 537944807. The next prime is 537944843. The reversal of 537944840 is 48449735.

It can be written as a sum of positive squares in 2 ways, for example, as 470803204 + 67141636 = 21698^2 + 8194^2 .

It is a junction number, because it is equal to n+sod(n) for n = 537944791 and 537944800.

It is not an unprimeable number, because it can be changed into a prime (537944843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6724271 + ... + 6724350.

Almost surely, 2^537944840 is an apocalyptic number.

It is an amenable number.

537944840 is an abundant number, since it is smaller than the sum of its proper divisors (672431140).

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

537944840 is a wasteful number, since it uses less digits than its factorization.

537944840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13448632 (or 13448628 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 44.

The square root of 537944840 is about 23193.6379207747. The cubic root of 537944840 is about 813.2909045023.

The spelling of 537944840 in words is "five hundred thirty-seven million, nine hundred forty-four thousand, eight hundred forty".