40386473 has 8 divisors (see below), whose sum is σ = 41860800. Its totient is φ = 38917648.

The previous prime is 40386469. The next prime is 40386481. The reversal of 40386473 is 37468304.

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 40386473 - 2² = 40386469 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40386443) 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, 18788 + ... + 20826.

It is an arithmetic number, because the mean of its divisors is an integer number (5232600).

Almost surely, 2^40386473 is an apocalyptic number.

It is an amenable number.

40386473 is a deficient number, since it is larger than the sum of its proper divisors (1474327).

40386473 is a wasteful number, since it uses less digits than its factorization.

40386473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2751.

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 40386473 is about 6355.0352477386. The cubic root of 40386473 is about 343.0930935281.

The spelling of 40386473 in words is "forty million, three hundred eighty-six thousand, four hundred seventy-three".