40744001 has 8 divisors (see below), whose sum is σ = 41429640. Its totient is φ = 40061952.

The previous prime is 40743991. The next prime is 40744027. The reversal of 40744001 is 10044704.

It can be written as a sum of positive squares in 4 ways, for example, as 5400976 + 35343025 = 2324^2 + 5945^2 .

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-40744001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40744031) 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, 30965 + ... + 32253.

It is an arithmetic number, because the mean of its divisors is an integer number (5178705).

Almost surely, 2^40744001 is an apocalyptic number.

It is an amenable number.

40744001 is a deficient number, since it is larger than the sum of its proper divisors (685639).

40744001 is a wasteful number, since it uses less digits than its factorization.

40744001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1795.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 40744001 is about 6383.1027721634. The cubic root of 40744001 is about 344.1025502125.

Adding to 40744001 its reverse (10044704), we get a palindrome (50788705).

The spelling of 40744001 in words is "forty million, seven hundred forty-four thousand, one".