85441518390 has 64 divisors (see below), whose sum is σ = 217967143104. Its totient is φ = 21360672768.

The previous prime is 85441518389. The next prime is 85441518397. The reversal of 85441518390 is 9381514458.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85441518397) 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, 194869 + ... + 457008.

It is an arithmetic number, because the mean of its divisors is an integer number (3405736611).

Almost surely, 2^85441518390 is an apocalyptic number.

85441518390 is an abundant number, since it is smaller than the sum of its proper divisors (132525624714).

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

85441518390 is a wasteful number, since it uses less digits than its factorization.

85441518390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652161.

The product of its (nonzero) digits is 691200, while the sum is 48.

The spelling of 85441518390 in words is "eighty-five billion, four hundred forty-one million, five hundred eighteen thousand, three hundred ninety".