40444434 has 24 divisors (see below), whose sum is σ = 90876240. Its totient is φ = 13481316.

The previous prime is 40444433. The next prime is 40444447. The reversal of 40444434 is 43444404.

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

It is a junction number, because it is equal to n+sod(n) for n = 40444398 and 40444407.

It is not an unprimeable number, because it can be changed into a prime (40444433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41124 + ... + 42095.

It is an arithmetic number, because the mean of its divisors is an integer number (3786510).

Almost surely, 2^40444434 is an apocalyptic number.

40444434 is an abundant number, since it is smaller than the sum of its proper divisors (50431806).

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

40444434 is an equidigital number, since it uses as much as digits as its factorization.

40444434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83236 (or 83224 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

The square root of 40444434 is about 6359.5938549565. The cubic root of 40444434 is about 343.2571460907.

Adding to 40444434 its reverse (43444404), we get a palindrome (83888838).

The spelling of 40444434 in words is "forty million, four hundred forty-four thousand, four hundred thirty-four".