40835020 has 24 divisors (see below), whose sum is σ = 90798624. Its totient is φ = 15373056.

The previous prime is 40835017. The next prime is 40835059. The reversal of 40835020 is 2053804.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 40834982 and 40835000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59712 + ... + 60391.

It is an arithmetic number, because the mean of its divisors is an integer number (3783276).

Almost surely, 2^40835020 is an apocalyptic number.

It is an amenable number.

40835020 is an abundant number, since it is smaller than the sum of its proper divisors (49963604).

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

40835020 is a wasteful number, since it uses less digits than its factorization.

40835020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120129 (or 120127 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 40835020 is about 6390.2284779185. The cubic root of 40835020 is about 344.3585926243.

Adding to 40835020 its reverse (2053804), we get a palindrome (42888824).

The spelling of 40835020 in words is "forty million, eight hundred thirty-five thousand, twenty".