40460869 has 4 divisors (see below), whose sum is σ = 41554444. Its totient is φ = 39367296.

The previous prime is 40460863. The next prime is 40460881. The reversal of 40460869 is 96806404.

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 16499844 + 23961025 = 4062^2 + 4895^2 .

It is a cyclic number.

It is not a de Polignac number, because 40460869 - 2⁵ = 40460837 is a prime.

It is a super-2 number, since 2×40460869² = 3274163840470322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 1093537 = 40460869 / (4 + 0 + 4 + 6 + 0 + 8 + 6 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40460863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 546732 + ... + 546805.

It is an arithmetic number, because the mean of its divisors is an integer number (10388611).

Almost surely, 2^40460869 is an apocalyptic number.

It is an amenable number.

40460869 is a deficient number, since it is larger than the sum of its proper divisors (1093575).

40460869 is a wasteful number, since it uses less digits than its factorization.

40460869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1093574.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 40460869 is about 6360.8858659781. The cubic root of 40460869 is about 343.3036351183.

The spelling of 40460869 in words is "forty million, four hundred sixty thousand, eight hundred sixty-nine".