40132247 has 2 divisors, whose sum is σ = 40132248. Its totient is φ = 40132246.

The previous prime is 40132207. The next prime is 40132273. The reversal of 40132247 is 74223104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40132247 - 2¹⁶ = 40066711 is a prime.

It is a super-2 number, since 2×40132247² = 3221194498538018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40132207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20066123 + 20066124.

It is an arithmetic number, because the mean of its divisors is an integer number (20066124).

Almost surely, 2^40132247 is an apocalyptic number.

40132247 is a deficient number, since it is larger than the sum of its proper divisors (1).

40132247 is an equidigital number, since it uses as much as digits as its factorization.

40132247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 40132247 is about 6335.0017363849. The cubic root of 40132247 is about 342.3716733807.

The spelling of 40132247 in words is "forty million, one hundred thirty-two thousand, two hundred forty-seven".