40330494 has 32 divisors (see below), whose sum is σ = 94897440. Its totient is φ = 12652416.

The previous prime is 40330489. The next prime is 40330531. The reversal of 40330494 is 49403304.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21049 + ... + 22884.

It is an arithmetic number, because the mean of its divisors is an integer number (2965545).

Almost surely, 2^40330494 is an apocalyptic number.

40330494 is an abundant number, since it is smaller than the sum of its proper divisors (54566946).

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

40330494 is a wasteful number, since it uses less digits than its factorization.

40330494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43961 (or 43955 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 40330494 is about 6350.6294176247. The cubic root of 40330494 is about 342.9345017406.

Adding to 40330494 its reverse (49403304), we get a palindrome (89733798).

The spelling of 40330494 in words is "forty million, three hundred thirty thousand, four hundred ninety-four".