40626473 has 4 divisors (see below), whose sum is σ = 40642308. Its totient is φ = 40610640.

The previous prime is 40626463. The next prime is 40626493. The reversal of 40626473 is 37462604.

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 24522304 + 16104169 = 4952^2 + 4013^2 .

It is a cyclic number.

It is not a de Polignac number, because 40626473 - 2⁸ = 40626217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (40626433) 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, 3086 + ... + 9527.

It is an arithmetic number, because the mean of its divisors is an integer number (10160577).

Almost surely, 2^40626473 is an apocalyptic number.

It is an amenable number.

40626473 is a deficient number, since it is larger than the sum of its proper divisors (15835).

40626473 is a wasteful number, since it uses less digits than its factorization.

40626473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15834.

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 40626473 is about 6373.8899425704. The cubic root of 40626473 is about 343.7713715418.

The spelling of 40626473 in words is "forty million, six hundred twenty-six thousand, four hundred seventy-three".