40480969 has 4 divisors (see below), whose sum is σ = 40603600. Its totient is φ = 40358340.

The previous prime is 40480949. The next prime is 40480991. The reversal of 40480969 is 96908404.

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 a cyclic number.

It is not a de Polignac number, because 40480969 - 2⁹ = 40480457 is a prime.

It is a super-2 number, since 2×40480969² = 3277417702357922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40480949) 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, 60819 + ... + 61480.

It is an arithmetic number, because the mean of its divisors is an integer number (10150900).

Almost surely, 2^40480969 is an apocalyptic number.

It is an amenable number.

40480969 is a deficient number, since it is larger than the sum of its proper divisors (122631).

40480969 is a wasteful number, since it uses less digits than its factorization.

40480969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122630.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 40480969 is about 6362.4656384141. The cubic root of 40480969 is about 343.3604740748.

The spelling of 40480969 in words is "forty million, four hundred eighty thousand, nine hundred sixty-nine".