40495185 has 12 divisors (see below), whose sum is σ = 70191732. Its totient is φ = 21597408.

The previous prime is 40495177. The next prime is 40495193. The reversal of 40495185 is 58159404.

It is an interprime number because it is at equal distance from previous prime (40495177) and next prime (40495193).

It can be written as a sum of positive squares in 2 ways, for example, as 9492561 + 31002624 = 3081^2 + 5568^2 .

It is not a de Polignac number, because 40495185 - 2³ = 40495177 is a prime.

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, 449902 + ... + 449991.

It is an arithmetic number, because the mean of its divisors is an integer number (5849311).

Almost surely, 2^40495185 is an apocalyptic number.

40495185 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40495185 is a deficient number, since it is larger than the sum of its proper divisors (29696547).

40495185 is a wasteful number, since it uses less digits than its factorization.

40495185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899904 (or 899901 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 40495185 is about 6363.5827173063. The cubic root of 40495185 is about 343.4006628462.

The spelling of 40495185 in words is "forty million, four hundred ninety-five thousand, one hundred eighty-five".