51240774370 has 8 divisors (see below), whose sum is σ = 92233393884. Its totient is φ = 20496309744.

The previous prime is 51240774317. The next prime is 51240774371. The reversal of 51240774370 is 7347704215.

51240774370 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 43598692809 + 7642081561 = 208803^2 + 87419^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (51240774371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2562038709 + ... + 2562038728.

Almost surely, 2^51240774370 is an apocalyptic number.

51240774370 is a deficient number, since it is larger than the sum of its proper divisors (40992619514).

51240774370 is a wasteful number, since it uses less digits than its factorization.

51240774370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5124077444.

The product of its (nonzero) digits is 164640, while the sum is 40.

The spelling of 51240774370 in words is "fifty-one billion, two hundred forty million, seven hundred seventy-four thousand, three hundred seventy".