40113473 has 4 divisors (see below), whose sum is σ = 41407488. Its totient is φ = 38819460.

The previous prime is 40113461. The next prime is 40113487. The reversal of 40113473 is 37431104.

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 40113473 - 2¹⁴ = 40097089 is a prime.

It is a super-2 number, since 2×40113473² = 3218181432243458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40113413) 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, 646961 + ... + 647022.

It is an arithmetic number, because the mean of its divisors is an integer number (10351872).

Almost surely, 2^40113473 is an apocalyptic number.

It is an amenable number.

40113473 is a deficient number, since it is larger than the sum of its proper divisors (1294015).

40113473 is a wasteful number, since it uses less digits than its factorization.

40113473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1294014.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 40113473 is about 6333.5197955008. The cubic root of 40113473 is about 342.3182775138.

Adding to 40113473 its reverse (37431104), we get a palindrome (77544577).

The spelling of 40113473 in words is "forty million, one hundred thirteen thousand, four hundred seventy-three".