40746243 has 8 divisors (see below), whose sum is σ = 54404800. Its totient is φ = 27125928.

The previous prime is 40746239. The next prime is 40746257. The reversal of 40746243 is 34264704.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40746243 - 2² = 40746239 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40746243.

It is not an unprimeable number, because it can be changed into a prime (40746283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6973 + ... + 11406.

It is an arithmetic number, because the mean of its divisors is an integer number (6800600).

Almost surely, 2^40746243 is an apocalyptic number.

40746243 is a deficient number, since it is larger than the sum of its proper divisors (13658557).

40746243 is a wasteful number, since it uses less digits than its factorization.

40746243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19121.

The product of its (nonzero) digits is 16128, while the sum is 30.

The square root of 40746243 is about 6383.2783896678. The cubic root of 40746243 is about 344.1088616837.

The spelling of 40746243 in words is "forty million, seven hundred forty-six thousand, two hundred forty-three".