85416040 has 16 divisors (see below), whose sum is σ = 192186180. Its totient is φ = 34166400.

The previous prime is 85416031. The next prime is 85416101. The reversal of 85416040 is 4061458.

It can be written as a sum of positive squares in 2 ways, for example, as 83942244 + 1473796 = 9162^2 + 1214^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1067661 + ... + 1067740.

Almost surely, 2^85416040 is an apocalyptic number.

It is an amenable number.

85416040 is an abundant number, since it is smaller than the sum of its proper divisors (106770140).

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

85416040 is a wasteful number, since it uses less digits than its factorization.

85416040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2135412 (or 2135408 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 85416040 is about 9242.0798525007. The cubic root of 85416040 is about 440.3991556940.

Adding to 85416040 its reverse (4061458), we get a palindrome (89477498).

The spelling of 85416040 in words is "eighty-five million, four hundred sixteen thousand, forty".