537207440 has 160 divisors (see below), whose sum is σ = 1599969024. Its totient is φ = 162846720.

The previous prime is 537207427. The next prime is 537207443. The reversal of 537207440 is 44702735.

It is a junction number, because it is equal to n+sod(n) for n = 537207397 and 537207406.

It is not an unprimeable number, because it can be changed into a prime (537207443) 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 31 ways as a sum of consecutive naturals, for example, 226742 + ... + 229098.

Almost surely, 2^537207440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 537207440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (799984512).

537207440 is an abundant number, since it is smaller than the sum of its proper divisors (1062761584).

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

537207440 is a wasteful number, since it uses less digits than its factorization.

537207440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2425 (or 2419 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 32.

The square root of 537207440 is about 23177.7358687168. The cubic root of 537207440 is about 812.9191223020.

The spelling of 537207440 in words is "five hundred thirty-seven million, two hundred seven thousand, four hundred forty".