537705655344 has 400 divisors, whose sum is σ = 1935913906080. Its totient is φ = 141558865920.

The previous prime is 537705655339. The next prime is 537705655427. The reversal of 537705655344 is 443556507735.

537705655344 is a `hidden beast` number, since 5 + 3 + 7 + 70 + 565 + 5 + 3 + 4 + 4 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3065242 + ... + 3235910.

Almost surely, 2^537705655344 is an apocalyptic number.

537705655344 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 537705655344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (967956953040).

537705655344 is an abundant number, since it is smaller than the sum of its proper divisors (1398208250736).

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

537705655344 is a wasteful number, since it uses less digits than its factorization.

537705655344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170730 (or 170715 counting only the distinct ones).

The product of its (nonzero) digits is 26460000, while the sum is 54.

The spelling of 537705655344 in words is "five hundred thirty-seven billion, seven hundred five million, six hundred fifty-five thousand, three hundred forty-four".