42960140865 has 12 divisors (see below), whose sum is σ = 74464244244. Its totient is φ = 22912075104.

The previous prime is 42960140831. The next prime is 42960140903. The reversal of 42960140865 is 56804106924.

42960140865 is a `hidden beast` number, since 429 + 6 + 0 + 140 + 86 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 11341611009 + 31618529856 = 106497^2 + 177816^2 .

It is not a de Polignac number, because 42960140865 - 2⁷ = 42960140737 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 954669797 = 42960140865 / (4 + 2 + 9 + 6 + 0 + 1 + 4 + 0 + 8 + 6 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 42960140865.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 477334854 + ... + 477334943.

It is an arithmetic number, because the mean of its divisors is an integer number (6205353687).

Almost surely, 2^42960140865 is an apocalyptic number.

42960140865 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42960140865 is a deficient number, since it is larger than the sum of its proper divisors (31504103379).

42960140865 is a wasteful number, since it uses less digits than its factorization.

42960140865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954669808 (or 954669805 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 42960140865 in words is "forty-two billion, nine hundred sixty million, one hundred forty thousand, eight hundred sixty-five".