40443701 has 8 divisors (see below), whose sum is σ = 41616384. Its totient is φ = 39275280.

The previous prime is 40443673. The next prime is 40443703. The reversal of 40443701 is 10734404.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40443701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40443703) 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, 36116 + ... + 37218.

It is an arithmetic number, because the mean of its divisors is an integer number (5202048).

Almost surely, 2^40443701 is an apocalyptic number.

It is an amenable number.

40443701 is a deficient number, since it is larger than the sum of its proper divisors (1172683).

40443701 is a wasteful number, since it uses less digits than its factorization.

40443701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2131.

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

The square root of 40443701 is about 6359.5362252290. The cubic root of 40443701 is about 343.2550723896.

The spelling of 40443701 in words is "forty million, four hundred forty-three thousand, seven hundred one".