40584993 has 8 divisors (see below), whose sum is σ = 54619488. Its totient is φ = 26803584.

The previous prime is 40584961. The next prime is 40584997. The reversal of 40584993 is 39948504.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40584993 - 2⁵ = 40584961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40584997) 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, 62896 + ... + 63537.

It is an arithmetic number, because the mean of its divisors is an integer number (6827436).

Almost surely, 2^40584993 is an apocalyptic number.

It is an amenable number.

40584993 is a deficient number, since it is larger than the sum of its proper divisors (14034495).

40584993 is a wasteful number, since it uses less digits than its factorization.

40584993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126543.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 40584993 is about 6370.6352116567. The cubic root of 40584993 is about 343.6543337971.

The spelling of 40584993 in words is "forty million, five hundred eighty-four thousand, nine hundred ninety-three".