40300444 has 24 divisors (see below), whose sum is σ = 74466000. Its totient is φ = 19031040.

The previous prime is 40300411. The next prime is 40300451. The reversal of 40300444 is 44400304.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33534 + ... + 34714.

It is an arithmetic number, because the mean of its divisors is an integer number (3102750).

Almost surely, 2^40300444 is an apocalyptic number.

It is an amenable number.

40300444 is a deficient number, since it is larger than the sum of its proper divisors (34165556).

40300444 is a wasteful number, since it uses less digits than its factorization.

40300444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1653 (or 1651 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 40300444 is about 6348.2630695333. The cubic root of 40300444 is about 342.8493077905.

Adding to 40300444 its reverse (44400304), we get a palindrome (84700748).

The spelling of 40300444 in words is "forty million, three hundred thousand, four hundred forty-four".