40134444 has 24 divisors (see below), whose sum is σ = 107025408. Its totient is φ = 11466960.

The previous prime is 40134439. The next prime is 40134473. The reversal of 40134444 is 44443104.

It is a super-2 number, since 2×40134444² = 3221547190378272, which contains 22 as substring.

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, 238812 + ... + 238979.

It is an arithmetic number, because the mean of its divisors is an integer number (4459392).

Almost surely, 2^40134444 is an apocalyptic number.

It is an amenable number.

40134444 is an abundant number, since it is smaller than the sum of its proper divisors (66890964).

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

40134444 is a wasteful number, since it uses less digits than its factorization.

40134444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477805 (or 477803 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 40134444 is about 6335.1751357007. The cubic root of 40134444 is about 342.3779208657.

Adding to 40134444 its reverse (44443104), we get a palindrome (84577548).

The spelling of 40134444 in words is "forty million, one hundred thirty-four thousand, four hundred forty-four".