40630494 has 16 divisors (see below), whose sum is σ = 81717120. Its totient is φ = 13467480.

The previous prime is 40630483. The next prime is 40630519. The reversal of 40630494 is 49403604.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17842 + ... + 19989.

It is an arithmetic number, because the mean of its divisors is an integer number (5107320).

Almost surely, 2^40630494 is an apocalyptic number.

40630494 is an abundant number, since it is smaller than the sum of its proper divisors (41086626).

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

40630494 is a wasteful number, since it uses less digits than its factorization.

40630494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38015.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 40630494 is about 6374.2053622393. The cubic root of 40630494 is about 343.7827127436.

The spelling of 40630494 in words is "forty million, six hundred thirty thousand, four hundred ninety-four".