40112055 has 12 divisors (see below), whose sum is σ = 69527640. Its totient is φ = 21393072.

The previous prime is 40112003. The next prime is 40112081. The reversal of 40112055 is 55021104.

It is not a de Polignac number, because 40112055 - 2⁷ = 40111927 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 445645 + ... + 445734.

It is an arithmetic number, because the mean of its divisors is an integer number (5793970).

Almost surely, 2^40112055 is an apocalyptic number.

40112055 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

40112055 is a deficient number, since it is larger than the sum of its proper divisors (29415585).

40112055 is a wasteful number, since it uses less digits than its factorization.

40112055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891390 (or 891387 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 40112055 is about 6333.4078504388. The cubic root of 40112055 is about 342.3142438479.

Adding to 40112055 its reverse (55021104), we get a palindrome (95133159).

The spelling of 40112055 in words is "forty million, one hundred twelve thousand, fifty-five".