51140564334 has 48 divisors (see below), whose sum is σ = 113429197440. Its totient is φ = 16646893200.

The previous prime is 51140564333. The next prime is 51140564341. The reversal of 51140564334 is 43346504115.

51140564334 is a `hidden beast` number, since 5 + 1 + 1 + 4 + 0 + 5 + 643 + 3 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51140564333) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 909 + ... + 319815.

It is an arithmetic number, because the mean of its divisors is an integer number (2363108280).

Almost surely, 2^51140564334 is an apocalyptic number.

51140564334 is an abundant number, since it is smaller than the sum of its proper divisors (62288633106).

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

51140564334 is a wasteful number, since it uses less digits than its factorization.

51140564334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319125 (or 319122 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 51140564334 in words is "fifty-one billion, one hundred forty million, five hundred sixty-four thousand, three hundred thirty-four".