42771045534 has 16 divisors (see below), whose sum is σ = 97762389888. Its totient is φ = 12220298712.

The previous prime is 42771045529. The next prime is 42771045593. The reversal of 42771045534 is 43554017724.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 1018358227 = 42771045534 / (4 + 2 + 7 + 7 + 1 + 0 + 4 + 5 + 5 + 3 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 509179072 + ... + 509179155.

It is an arithmetic number, because the mean of its divisors is an integer number (6110149368).

Almost surely, 2^42771045534 is an apocalyptic number.

42771045534 is an abundant number, since it is smaller than the sum of its proper divisors (54991344354).

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

42771045534 is a wasteful number, since it uses less digits than its factorization.

42771045534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018358239.

The product of its (nonzero) digits is 470400, while the sum is 42.

The spelling of 42771045534 in words is "forty-two billion, seven hundred seventy-one million, forty-five thousand, five hundred thirty-four".