40494616 has 8 divisors (see below), whose sum is σ = 75927420. Its totient is φ = 20247304.

The previous prime is 40494611. The next prime is 40494617. The reversal of 40494616 is 61649404.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40494611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2530906 + ... + 2530921.

Almost surely, 2^40494616 is an apocalyptic number.

It is an amenable number.

40494616 is a deficient number, since it is larger than the sum of its proper divisors (35432804).

40494616 is a wasteful number, since it uses less digits than its factorization.

40494616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5061833 (or 5061829 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 40494616 is about 6363.5380096295. The cubic root of 40494616 is about 343.3990544583.

The spelling of 40494616 in words is "forty million, four hundred ninety-four thousand, six hundred sixteen".