40493471 has 4 divisors (see below), whose sum is σ = 41799744. Its totient is φ = 39187200.

The previous prime is 40493449. The next prime is 40493477. The reversal of 40493471 is 17439404.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 40493471 - 2⁶ = 40493407 is a prime.

It is a super-3 number, since 3×40493471³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40493477) 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, 653090 + ... + 653151.

It is an arithmetic number, because the mean of its divisors is an integer number (10449936).

Almost surely, 2^40493471 is an apocalyptic number.

40493471 is a deficient number, since it is larger than the sum of its proper divisors (1306273).

40493471 is a wasteful number, since it uses less digits than its factorization.

40493471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1306272.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 40493471 is about 6363.4480433174. The cubic root of 40493471 is about 343.3958178501.

The spelling of 40493471 in words is "forty million, four hundred ninety-three thousand, four hundred seventy-one".