40070001 has 16 divisors (see below), whose sum is σ = 55059264. Its totient is φ = 25902144.

The previous prime is 40069999. The next prime is 40070047. The reversal of 40070001 is 10007004.

It is not a de Polignac number, because 40070001 - 2¹ = 40069999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40070101) 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, 51451 + ... + 52223.

It is an arithmetic number, because the mean of its divisors is an integer number (3441204).

Almost surely, 2^40070001 is an apocalyptic number.

It is an amenable number.

40070001 is a deficient number, since it is larger than the sum of its proper divisors (14989263).

40070001 is a wasteful number, since it uses less digits than its factorization.

40070001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280.

The product of its (nonzero) digits is 28, while the sum is 12.

The square root of 40070001 is about 6330.0869662272. The cubic root of 40070001 is about 342.1945731154.

Adding to 40070001 its reverse (10007004), we get a palindrome (50077005).

The spelling of 40070001 in words is "forty million, seventy thousand, one".