40898829 has 4 divisors (see below), whose sum is σ = 54531776. Its totient is φ = 27265884.

The previous prime is 40898783. The next prime is 40898833. The reversal of 40898829 is 92889804.

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.

It is not a de Polignac number, because 40898829 - 2²⁰ = 39850253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40898129) 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, 6816469 + ... + 6816474.

It is an arithmetic number, because the mean of its divisors is an integer number (13632944).

Almost surely, 2^40898829 is an apocalyptic number.

It is an amenable number.

40898829 is a deficient number, since it is larger than the sum of its proper divisors (13632947).

40898829 is a wasteful number, since it uses less digits than its factorization.

40898829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13632946.

The product of its (nonzero) digits is 331776, while the sum is 48.

The square root of 40898829 is about 6395.2192300186. The cubic root of 40898829 is about 344.5378647477.

The spelling of 40898829 in words is "forty million, eight hundred ninety-eight thousand, eight hundred twenty-nine".