42377783745 has 32 divisors (see below), whose sum is σ = 75072522240. Its totient is φ = 20240130240.

The previous prime is 42377783741. The next prime is 42377783779. The reversal of 42377783745 is 54738777324.

It is not a de Polignac number, because 42377783745 - 2² = 42377783741 is a prime.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (42377783741) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1905625 + ... + 1927734.

It is an arithmetic number, because the mean of its divisors is an integer number (2346016320).

Almost surely, 2^42377783745 is an apocalyptic number.

It is an amenable number.

42377783745 is a deficient number, since it is larger than the sum of its proper divisors (32694738495).

42377783745 is a wasteful number, since it uses less digits than its factorization.

42377783745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3833445.

The product of its digits is 27659520, while the sum is 57.

The spelling of 42377783745 in words is "forty-two billion, three hundred seventy-seven million, seven hundred eighty-three thousand, seven hundred forty-five".