52781370673740 has 48 divisors (see below), whose sum is σ = 156481240118112. Its totient is φ = 13247089110016.

The previous prime is 52781370673721. The next prime is 52781370673763. The reversal of 52781370673740 is 4737607318725.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25873219899 + ... + 25873221938.

It is an arithmetic number, because the mean of its divisors is an integer number (3260025835794).

Almost surely, 2^{52781370673740} is an apocalyptic number.

It is an amenable number.

52781370673740 is an abundant number, since it is smaller than the sum of its proper divisors (103699869444372).

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

52781370673740 is a wasteful number, since it uses less digits than its factorization.

52781370673740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51746441866 (or 51746441864 counting only the distinct ones).

The product of its (nonzero) digits is 41489280, while the sum is 60.

The spelling of 52781370673740 in words is "fifty-two trillion, seven hundred eighty-one billion, three hundred seventy million, six hundred seventy-three thousand, seven hundred forty".