537642650840 has 16 divisors (see below), whose sum is σ = 1209695964480. Its totient is φ = 215057060320.

The previous prime is 537642650803. The next prime is 537642650887. The reversal of 537642650840 is 48056246735.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6720533096 + ... + 6720533175.

It is an arithmetic number, because the mean of its divisors is an integer number (75605997780).

Almost surely, 2^537642650840 is an apocalyptic number.

It is an amenable number.

537642650840 is an abundant number, since it is smaller than the sum of its proper divisors (672053313640).

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

537642650840 is a wasteful number, since it uses less digits than its factorization.

537642650840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13441066282 (or 13441066278 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 50.

The spelling of 537642650840 in words is "five hundred thirty-seven billion, six hundred forty-two million, six hundred fifty thousand, eight hundred forty".