40454769 has 8 divisors (see below), whose sum is σ = 56284992. Its totient is φ = 25797200.

The previous prime is 40454759. The next prime is 40454789. The reversal of 40454769 is 96745404.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40454769 - 2⁴ = 40454753 is a prime.

It is a super-2 number, since 2×40454769² = 3273176669686722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40454719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293082 + ... + 293219.

It is an arithmetic number, because the mean of its divisors is an integer number (7035624).

Almost surely, 2^40454769 is an apocalyptic number.

It is an amenable number.

40454769 is a deficient number, since it is larger than the sum of its proper divisors (15830223).

40454769 is a wasteful number, since it uses less digits than its factorization.

40454769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586327.

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 40454769 is about 6360.4063549431. The cubic root of 40454769 is about 343.2863817615.

The spelling of 40454769 in words is "forty million, four hundred fifty-four thousand, seven hundred sixty-nine".