537744240 has 240 divisors, whose sum is σ = 2017192320. Its totient is φ = 127249920.

The previous prime is 537744223. The next prime is 537744241. The reversal of 537744240 is 42447735.

537744240 is a `hidden beast` number, since 5 + 377 + 44 + 240 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 537744195 and 537744204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (537744241) 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 47 ways as a sum of consecutive naturals, for example, 339771 + ... + 341349.

It is an arithmetic number, because the mean of its divisors is an integer number (8404968).

Almost surely, 2^537744240 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 537744240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1008596160).

537744240 is an abundant number, since it is smaller than the sum of its proper divisors (1479448080).

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

537744240 is a wasteful number, since it uses less digits than its factorization.

537744240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1652 (or 1643 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 36.

The square root of 537744240 is about 23189.3130558022. The cubic root of 537744240 is about 813.1897996884.

The spelling of 537744240 in words is "five hundred thirty-seven million, seven hundred forty-four thousand, two hundred forty".