537780440 has 32 divisors (see below), whose sum is σ = 1216782000. Its totient is φ = 213907584.

The previous prime is 537780377. The next prime is 537780443. The reversal of 537780440 is 44087735.

It is a junction number, because it is equal to n+sod(n) for n = 537780394 and 537780403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (537780443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30395 + ... + 44714.

Almost surely, 2^537780440 is an apocalyptic number.

It is an amenable number.

537780440 is an abundant number, since it is smaller than the sum of its proper divisors (679001560).

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

537780440 is a wasteful number, since it uses less digits than its factorization.

537780440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75299 (or 75295 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 38.

The square root of 537780440 is about 23190.0935746279. The cubic root of 537780440 is about 813.2080467831.

The spelling of 537780440 in words is "five hundred thirty-seven million, seven hundred eighty thousand, four hundred forty".