40080285 has 96 divisors (see below), whose sum is σ = 85034880. Its totient is φ = 17853696.

The previous prime is 40080269. The next prime is 40080289. The reversal of 40080285 is 58208004.

It is not a de Polignac number, because 40080285 - 2⁴ = 40080269 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40080289) 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, 482854 + ... + 482936.

It is an arithmetic number, because the mean of its divisors is an integer number (885780).

Almost surely, 2^40080285 is an apocalyptic number.

40080285 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40080285 is an abundant number, since it is smaller than the sum of its proper divisors (44954595).

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

40080285 is a wasteful number, since it uses less digits than its factorization.

40080285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184 (or 171 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 40080285 is about 6330.8992252286. The cubic root of 40080285 is about 342.2238454545.

Adding to 40080285 its reverse (58208004), we get a palindrome (98288289).

The spelling of 40080285 in words is "forty million, eighty thousand, two hundred eighty-five".