537418640 has 40 divisors (see below), whose sum is σ = 1363091328. Its totient is φ = 195424640.

The previous prime is 537418639. The next prime is 537418643. The reversal of 537418640 is 46814735.

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 = 537418594 and 537418603.

It is not an unprimeable number, because it can be changed into a prime (537418643) 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, 304472 + ... + 306231.

Almost surely, 2^537418640 is an apocalyptic number.

It is an amenable number.

537418640 is an abundant number, since it is smaller than the sum of its proper divisors (825672688).

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

537418640 is a wasteful number, since it uses less digits than its factorization.

537418640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610727 (or 610721 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 537418640 is about 23182.2915174493. The cubic root of 537418640 is about 813.0256398291.

The spelling of 537418640 in words is "five hundred thirty-seven million, four hundred eighteen thousand, six hundred forty".