40459494 has 8 divisors (see below), whose sum is σ = 80919000. Its totient is φ = 13486496.

The previous prime is 40459477. The next prime is 40459499. The reversal of 40459494 is 49495404.

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

40459494 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40459499) 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, 3371619 + ... + 3371630.

It is an arithmetic number, because the mean of its divisors is an integer number (10114875).

Almost surely, 2^40459494 is an apocalyptic number.

40459494 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40459494 is a wasteful number, since it uses less digits than its factorization.

40459494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6743254.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 40459494 is about 6360.7777826300. Note that the first 4 decimals coincide. The cubic root of 40459494 is about 343.2997461933.

The spelling of 40459494 in words is "forty million, four hundred fifty-nine thousand, four hundred ninety-four".