40440440474 has 8 divisors (see below), whose sum is σ = 69326469408. Its totient is φ = 17331617340.

The previous prime is 40440440431. The next prime is 40440440477. The reversal of 40440440474 is 47404404404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×40440440474² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40440440477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1444301432 + ... + 1444301459.

It is an arithmetic number, because the mean of its divisors is an integer number (8665808676).

Almost surely, 2^40440440474 is an apocalyptic number.

40440440474 is a deficient number, since it is larger than the sum of its proper divisors (28886028934).

40440440474 is a wasteful number, since it uses less digits than its factorization.

40440440474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2888602900.

The product of its (nonzero) digits is 114688, while the sum is 35.

Adding to 40440440474 its reverse (47404404404), we get a palindrome (87844844878).

The spelling of 40440440474 in words is "forty billion, four hundred forty million, four hundred forty thousand, four hundred seventy-four".