40232247 has 16 divisors (see below), whose sum is σ = 59626368. Its totient is φ = 23922080.

The previous prime is 40232243. The next prime is 40232249. The reversal of 40232247 is 74223204.

It is not a de Polignac number, because 40232247 - 2² = 40232243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40232243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9753 + ... + 13250.

It is an arithmetic number, because the mean of its divisors is an integer number (3726648).

Almost surely, 2^40232247 is an apocalyptic number.

40232247 is a deficient number, since it is larger than the sum of its proper divisors (19394121).

40232247 is a wasteful number, since it uses less digits than its factorization.

40232247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23070.

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 40232247 is about 6342.8894835083. The cubic root of 40232247 is about 342.6558070657.

Adding to 40232247 its product of nonzero digits (2688), we get a triangular number (40234935 = T₈₉₇₀).

The spelling of 40232247 in words is "forty million, two hundred thirty-two thousand, two hundred forty-seven".