40870485 has 12 divisors (see below), whose sum is σ = 70842252. Its totient is φ = 21797568.

The previous prime is 40870447. The next prime is 40870507. The reversal of 40870485 is 58407804.

It can be written as a sum of positive squares in 2 ways, for example, as 14676561 + 26193924 = 3831^2 + 5118^2 .

It is not a de Polignac number, because 40870485 - 2⁸ = 40870229 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 454072 + ... + 454161.

It is an arithmetic number, because the mean of its divisors is an integer number (5903521).

Almost surely, 2^40870485 is an apocalyptic number.

40870485 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40870485 is a deficient number, since it is larger than the sum of its proper divisors (29971767).

40870485 is a wasteful number, since it uses less digits than its factorization.

40870485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908244 (or 908241 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 40870485 is about 6393.0028155789. The cubic root of 40870485 is about 344.4582549864.

Subtracting from 40870485 its sum of digits (36), we obtain a square (40870449 = 6393²).

The spelling of 40870485 in words is "forty million, eight hundred seventy thousand, four hundred eighty-five".