40900829 has 4 divisors (see below), whose sum is σ = 40914240. Its totient is φ = 40887420.

The previous prime is 40900819. The next prime is 40900843. The reversal of 40900829 is 92800904.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 40900829 - 2⁴ = 40900813 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40900795 and 40900804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40900819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332 + ... + 9050.

It is an arithmetic number, because the mean of its divisors is an integer number (10228560).

Almost surely, 2^40900829 is an apocalyptic number.

It is an amenable number.

40900829 is a deficient number, since it is larger than the sum of its proper divisors (13411).

40900829 is an equidigital number, since it uses as much as digits as its factorization.

40900829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13410.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 40900829 is about 6395.3755949123. The cubic root of 40900829 is about 344.5434807561.

The spelling of 40900829 in words is "forty million, nine hundred thousand, eight hundred twenty-nine".