537449826240 has 672 divisors, whose sum is σ = 2024786400000. Its totient is φ = 135504700416.

The previous prime is 537449826209. The next prime is 537449826283. The reversal of 537449826240 is 42628944735.

It is a happy number.

537449826240 is a `hidden beast` number, since 5 + 3 + 7 + 4 + 4 + 9 + 8 + 2 + 624 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1077053511 + ... + 1077054009.

It is an arithmetic number, because the mean of its divisors is an integer number (3013075000).

Almost surely, 2^537449826240 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 537449826240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1012393200000).

537449826240 is an abundant number, since it is smaller than the sum of its proper divisors (1487336573760).

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

537449826240 is an frugal number, since it uses more digits than its factorization.

537449826240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568 (or 528 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 54.

The spelling of 537449826240 in words is "five hundred thirty-seven billion, four hundred forty-nine million, eight hundred twenty-six thousand, two hundred forty".