40444554 has 8 divisors (see below), whose sum is σ = 80889120. Its totient is φ = 13481516.

The previous prime is 40444543. The next prime is 40444567. The reversal of 40444554 is 45544404.

It is a happy number.

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

40444554 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3370374 + ... + 3370385.

It is an arithmetic number, because the mean of its divisors is an integer number (10111140).

Almost surely, 2^40444554 is an apocalyptic number.

40444554 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40444554 is a wasteful number, since it uses less digits than its factorization.

40444554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6740764.

The product of its (nonzero) digits is 25600, while the sum is 30.

The square root of 40444554 is about 6359.6032895142. The cubic root of 40444554 is about 343.2574855756.

Adding to 40444554 its reverse (45544404), we get a palindrome (85988958).

The spelling of 40444554 in words is "forty million, four hundred forty-four thousand, five hundred fifty-four".