52749569340 has 144 divisors (see below), whose sum is σ = 174391989408. Its totient is φ = 12828022272.

The previous prime is 52749569333. The next prime is 52749569347. The reversal of 52749569340 is 4396594725.

52749569340 is a `hidden beast` number, since 5 + 2 + 7 + 49 + 569 + 34 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (52749569333) and next prime (52749569347).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52749569347) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 58422 + ... + 330018.

It is an arithmetic number, because the mean of its divisors is an integer number (1211055482).

Almost surely, 2^52749569340 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 52749569340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87195994704).

52749569340 is an abundant number, since it is smaller than the sum of its proper divisors (121642420068).

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

52749569340 is a wasteful number, since it uses less digits than its factorization.

52749569340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271708 (or 271703 counting only the distinct ones).

The product of its (nonzero) digits is 8164800, while the sum is 54.

The spelling of 52749569340 in words is "fifty-two billion, seven hundred forty-nine million, five hundred sixty-nine thousand, three hundred forty".