85540038474 has 32 divisors (see below), whose sum is σ = 188480675520. Its totient is φ = 25664576000.

The previous prime is 85540038469. The next prime is 85540038481. The reversal of 85540038474 is 47483004558.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6409479 + ... + 6422810.

It is an arithmetic number, because the mean of its divisors is an integer number (5890021110).

Almost surely, 2^85540038474 is an apocalyptic number.

85540038474 is an abundant number, since it is smaller than the sum of its proper divisors (102940637046).

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

85540038474 is a wasteful number, since it uses less digits than its factorization.

85540038474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12832406.

The product of its (nonzero) digits is 2150400, while the sum is 48.

The spelling of 85540038474 in words is "eighty-five billion, five hundred forty million, thirty-eight thousand, four hundred seventy-four".