40854285 has 24 divisors (see below), whose sum is σ = 70966584. Its totient is φ = 21742080.

The previous prime is 40854283. The next prime is 40854329. The reversal of 40854285 is 58245804.

It can be written as a sum of positive squares in 4 ways, for example, as 60516 + 40793769 = 246^2 + 6387^2 .

It is not a de Polignac number, because 40854285 - 2¹ = 40854283 is a prime.

It is a super-2 number, since 2×40854285² = 3338145205722450, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40854283) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33649 + ... + 34841.

It is an arithmetic number, because the mean of its divisors is an integer number (2956941).

Almost surely, 2^40854285 is an apocalyptic number.

40854285 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40854285 is a deficient number, since it is larger than the sum of its proper divisors (30112299).

40854285 is a wasteful number, since it uses less digits than its factorization.

40854285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1965 (or 1962 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 36.

The square root of 40854285 is about 6391.7356797665. The cubic root of 40854285 is about 344.4127375331.

The spelling of 40854285 in words is "forty million, eight hundred fifty-four thousand, two hundred eighty-five".