40869001 has 8 divisors (see below), whose sum is σ = 41286024. Its totient is φ = 40454400.

The previous prime is 40868959. The next prime is 40869007. The reversal of 40869001 is 10096804.

It can be written as a sum of positive squares in 4 ways, for example, as 17598025 + 23270976 = 4195^2 + 4824^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 40869001 - 2⁷ = 40868873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40869007) 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, 57951 + ... + 58651.

It is an arithmetic number, because the mean of its divisors is an integer number (5160753).

Almost surely, 2^40869001 is an apocalyptic number.

It is an amenable number.

40869001 is a deficient number, since it is larger than the sum of its proper divisors (417023).

40869001 is a wasteful number, since it uses less digits than its factorization.

40869001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 40869001 is about 6392.8867501310. The cubic root of 40869001 is about 344.4540858634.

The spelling of 40869001 in words is "forty million, eight hundred sixty-nine thousand, one".