42473171540 has 12 divisors (see below), whose sum is σ = 89193660276. Its totient is φ = 16989268608.

The previous prime is 42473171537. The next prime is 42473171549. The reversal of 42473171540 is 4517137424.

It can be written as a sum of positive squares in 2 ways, for example, as 11619546436 + 30853625104 = 107794^2 + 175652^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42473171494 and 42473171503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42473171549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1061829269 + ... + 1061829308.

It is an arithmetic number, because the mean of its divisors is an integer number (7432805023).

Almost surely, 2^42473171540 is an apocalyptic number.

It is an amenable number.

42473171540 is an abundant number, since it is smaller than the sum of its proper divisors (46720488736).

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

42473171540 is a wasteful number, since it uses less digits than its factorization.

42473171540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2123658586 (or 2123658584 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 38.

The spelling of 42473171540 in words is "forty-two billion, four hundred seventy-three million, one hundred seventy-one thousand, five hundred forty".