85040010 has 192 divisors, whose sum is σ = 264297600. Its totient is φ = 19388160.

The previous prime is 85040009. The next prime is 85040017. The reversal of 85040010 is 1004058.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85040017) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 620662 + ... + 620798.

It is an arithmetic number, because the mean of its divisors is an integer number (1376550).

Almost surely, 2^85040010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85040010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132148800).

85040010 is an abundant number, since it is smaller than the sum of its proper divisors (179257590).

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

85040010 is a wasteful number, since it uses less digits than its factorization.

85040010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194 (or 177 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 85040010 is about 9221.7140489174. The cubic root of 85040010 is about 439.7519435141.

Adding to 85040010 its reverse (1004058), we get a palindrome (86044068).

The spelling of 85040010 in words is "eighty-five million, forty thousand, ten".