40896769 has 4 divisors (see below), whose sum is σ = 41122900. Its totient is φ = 40670640.

The previous prime is 40896767. The next prime is 40896809. The reversal of 40896769 is 96769804.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21049744 + 19847025 = 4588^2 + 4455^2 .

It is a cyclic number.

It is not a de Polignac number, because 40896769 - 2¹ = 40896767 is a prime.

It is a super-2 number, since 2×40896769² = 3345091429278722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40896767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112794 + ... + 113155.

It is an arithmetic number, because the mean of its divisors is an integer number (10280725).

Almost surely, 2^40896769 is an apocalyptic number.

It is an amenable number.

40896769 is a deficient number, since it is larger than the sum of its proper divisors (226131).

40896769 is a wasteful number, since it uses less digits than its factorization.

40896769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226130.

The product of its (nonzero) digits is 653184, while the sum is 49.

The square root of 40896769 is about 6395.0581701811. The cubic root of 40896769 is about 344.5320800677.

It can be divided in two parts, 40 and 896769, that added together give a square (896809 = 947²).

The spelling of 40896769 in words is "forty million, eight hundred ninety-six thousand, seven hundred sixty-nine".