40489473 has 8 divisors (see below), whose sum is σ = 54108000. Its totient is φ = 26931968.

The previous prime is 40489469. The next prime is 40489483. The reversal of 40489473 is 37498404.

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 40489473 - 2² = 40489469 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40489483) 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, 13683 + ... + 16376.

It is an arithmetic number, because the mean of its divisors is an integer number (6763500).

Almost surely, 2^40489473 is an apocalyptic number.

It is an amenable number.

40489473 is a deficient number, since it is larger than the sum of its proper divisors (13618527).

40489473 is a wasteful number, since it uses less digits than its factorization.

40489473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30511.

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 40489473 is about 6363.1338976954. The cubic root of 40489473 is about 343.3845160967.

The spelling of 40489473 in words is "forty million, four hundred eighty-nine thousand, four hundred seventy-three".