40755444 has 24 divisors (see below), whose sum is σ = 95987808. Its totient is φ = 13457760.

The previous prime is 40755433. The next prime is 40755461. The reversal of 40755444 is 44455704.

It is a super-2 number, since 2×40755444² = 3322012431274272, which contains 22 as substring.

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, 14587 + ... + 17154.

It is an arithmetic number, because the mean of its divisors is an integer number (3999492).

Almost surely, 2^40755444 is an apocalyptic number.

It is an amenable number.

40755444 is an abundant number, since it is smaller than the sum of its proper divisors (55232364).

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

40755444 is a wasteful number, since it uses less digits than its factorization.

40755444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31855 (or 31853 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 33.

The square root of 40755444 is about 6383.9990601503. Note that the first 3 decimals coincide. The cubic root of 40755444 is about 344.1347610642.

The spelling of 40755444 in words is "forty million, seven hundred fifty-five thousand, four hundred forty-four".