40472171055 has 96 divisors (see below), whose sum is σ = 73673832960. Its totient is φ = 20528640000.

The previous prime is 40472171021. The next prime is 40472171063. The reversal of 40472171055 is 55017127404.

It is not a de Polignac number, because 40472171055 - 2⁷ = 40472170927 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 22471155 + ... + 22472955.

It is an arithmetic number, because the mean of its divisors is an integer number (767435760).

Almost surely, 2^40472171055 is an apocalyptic number.

40472171055 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

40472171055 is a deficient number, since it is larger than the sum of its proper divisors (33201661905).

40472171055 is a wasteful number, since it uses less digits than its factorization.

40472171055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2113 (or 2110 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 36.

Adding to 40472171055 its reverse (55017127404), we get a palindrome (95489298459).

The spelling of 40472171055 in words is "forty billion, four hundred seventy-two million, one hundred seventy-one thousand, fifty-five".