40472177 has 4 divisors (see below), whose sum is σ = 40545396. Its totient is φ = 40398960.

The previous prime is 40472161. The next prime is 40472209. The reversal of 40472177 is 77127404.

40472177 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2637376 + 37834801 = 1624^2 + 6151^2 .

It is a cyclic number.

It is not a de Polignac number, because 40472177 - 2⁴ = 40472161 is a prime.

It is a super-2 number, since 2×40472177² = 3275994222238658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40472477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35774 + ... + 36887.

It is an arithmetic number, because the mean of its divisors is an integer number (10136349).

Almost surely, 2^40472177 is an apocalyptic number.

It is an amenable number.

40472177 is a deficient number, since it is larger than the sum of its proper divisors (73219).

40472177 is an equidigital number, since it uses as much as digits as its factorization.

40472177 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73218.

The product of its (nonzero) digits is 10976, while the sum is 32.

The square root of 40472177 is about 6361.7746737840. The cubic root of 40472177 is about 343.3356142955.

The spelling of 40472177 in words is "forty million, four hundred seventy-two thousand, one hundred seventy-seven".