40171274 has 36 divisors (see below), whose sum is σ = 71964438. Its totient is φ = 16705920.

The previous prime is 40171273. The next prime is 40171279. The reversal of 40171274 is 47217104.

40171274 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 4231249 + 35940025 = 2057^2 + 5995^2 .

It is a super-2 number, since 2×40171274² = 3227462509566152, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a zygodrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (40171273) 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 17 ways as a sum of consecutive naturals, for example, 355442 + ... + 355554.

Almost surely, 2^40171274 is an apocalyptic number.

40171274 is a deficient number, since it is larger than the sum of its proper divisors (31793164).

40171274 is a wasteful number, since it uses less digits than its factorization.

40171274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263 (or 139 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 40171274 is about 6338.0812553958. The cubic root of 40171274 is about 342.4826183304.

Multiplying 40171274 by its sum of digits (26), we get a square (1044453124 = 32318²).

40171274 divided by its sum of digits (26) gives a square (1545049 = 1243²).

Adding to 40171274 its reverse (47217104), we get a palindrome (87388378).

The spelling of 40171274 in words is "forty million, one hundred seventy-one thousand, two hundred seventy-four".