40300442 has 32 divisors (see below), whose sum is σ = 75936000. Its totient is φ = 15939504.

The previous prime is 40300411. The next prime is 40300451. The reversal of 40300442 is 24400304.

It is a self number, because there is not a number n which added to its sum of digits gives 40300442.

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, 6659 + ... + 11177.

It is an arithmetic number, because the mean of its divisors is an integer number (2373000).

Almost surely, 2^40300442 is an apocalyptic number.

40300442 is a deficient number, since it is larger than the sum of its proper divisors (35635558).

40300442 is a wasteful number, since it uses less digits than its factorization.

40300442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4555 (or 4541 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 40300442 is about 6348.2629120099. The cubic root of 40300442 is about 342.8493021190.

Adding to 40300442 its reverse (24400304), we get a palindrome (64700746).

The spelling of 40300442 in words is "forty million, three hundred thousand, four hundred forty-two".