537157260640 has 768 divisors, whose sum is σ = 1866590853120. Its totient is φ = 140419399680.

The previous prime is 537157260613. The next prime is 537157260697. The reversal of 537157260640 is 46062751735.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 78955479 + ... + 78962281.

It is an arithmetic number, because the mean of its divisors is an integer number (2430456840).

Almost surely, 2^537157260640 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 537157260640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (933295426560).

537157260640 is an abundant number, since it is smaller than the sum of its proper divisors (1329433592480).

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

537157260640 is a wasteful number, since it uses less digits than its factorization.

537157260640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6895 (or 6887 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 46.

It can be divided in two parts, 537157 and 260640, that added together give a palindrome (797797).

The spelling of 537157260640 in words is "five hundred thirty-seven billion, one hundred fifty-seven million, two hundred sixty thousand, six hundred forty".