40812835 has 48 divisors (see below), whose sum is σ = 62052480. Its totient is φ = 25589760.

The previous prime is 40812829. The next prime is 40812839. The reversal of 40812835 is 53821804.

It is not a de Polignac number, because 40812835 - 2⁵ = 40812803 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40812797 and 40812806.

It is not an unprimeable number, because it can be changed into a prime (40812839) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 170646 + ... + 170884.

It is an arithmetic number, because the mean of its divisors is an integer number (1292760).

Almost surely, 2^40812835 is an apocalyptic number.

40812835 is a deficient number, since it is larger than the sum of its proper divisors (21239645).

40812835 is a wasteful number, since it uses less digits than its factorization.

40812835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316 (or 309 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 40812835 is about 6388.4923886626. The cubic root of 40812835 is about 344.2962198596.

The spelling of 40812835 in words is "forty million, eight hundred twelve thousand, eight hundred thirty-five".