40424001 has 16 divisors (see below), whose sum is σ = 57810240. Its totient is φ = 25047360.

The previous prime is 40423993. The next prime is 40424009. The reversal of 40424001 is 10042404.

It is an interprime number because it is at equal distance from previous prime (40423993) and next prime (40424009).

It is not a de Polignac number, because 40424001 - 2³ = 40423993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40424009) 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, 3670 + ... + 9711.

It is an arithmetic number, because the mean of its divisors is an integer number (3613140).

Almost surely, 2^40424001 is an apocalyptic number.

It is an amenable number.

40424001 is a deficient number, since it is larger than the sum of its proper divisors (17386239).

40424001 is a wasteful number, since it uses less digits than its factorization.

40424001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13456.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 40424001 is about 6357.9871814907. The cubic root of 40424001 is about 343.1993305147.

Adding to 40424001 its reverse (10042404), we get a palindrome (50466405).

The spelling of 40424001 in words is "forty million, four hundred twenty-four thousand, one".