40076001 has 24 divisors (see below), whose sum is σ = 66328704. Its totient is φ = 22841280.

The previous prime is 40075991. The next prime is 40076009. The reversal of 40076001 is 10067004.

It is not a de Polignac number, because 40076001 - 2⁷ = 40075873 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40076009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38356 + ... + 39386.

It is an arithmetic number, because the mean of its divisors is an integer number (2763696).

Almost surely, 2^40076001 is an apocalyptic number.

It is an amenable number.

40076001 is a deficient number, since it is larger than the sum of its proper divisors (26252703).

40076001 is a wasteful number, since it uses less digits than its factorization.

40076001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1661 (or 1658 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 40076001 is about 6330.5608756255. The cubic root of 40076001 is about 342.2116521015.

The spelling of 40076001 in words is "forty million, seventy-six thousand, one".