40775544 has 48 divisors (see below), whose sum is σ = 110747520. Its totient is φ = 13553280.

The previous prime is 40775543. The next prime is 40775557. The reversal of 40775544 is 44557704.

40775544 is a `hidden beast` number, since 40 + 7 + 75 + 544 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 40775499 and 40775508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40775543) 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, 36969 + ... + 38055.

It is an arithmetic number, because the mean of its divisors is an integer number (2307240).

Almost surely, 2^40775544 is an apocalyptic number.

It is an amenable number.

40775544 is an abundant number, since it is smaller than the sum of its proper divisors (69971976).

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

40775544 is a wasteful number, since it uses less digits than its factorization.

40775544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1620 (or 1613 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 36.

The square root of 40775544 is about 6385.5731144510. The cubic root of 40775544 is about 344.1913258744.

The spelling of 40775544 in words is "forty million, seven hundred seventy-five thousand, five hundred forty-four".