40909101 has 8 divisors (see below), whose sum is σ = 55439904. Its totient is φ = 26825520.

The previous prime is 40909097. The next prime is 40909133. The reversal of 40909101 is 10190904.

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

It is not a de Polignac number, because 40909101 - 2² = 40909097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40909151) 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, 111591 + ... + 111956.

It is an arithmetic number, because the mean of its divisors is an integer number (6929988).

Almost surely, 2^40909101 is an apocalyptic number.

It is an amenable number.

40909101 is a deficient number, since it is larger than the sum of its proper divisors (14530803).

40909101 is a wasteful number, since it uses less digits than its factorization.

40909101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223611.

The product of its (nonzero) digits is 324, while the sum is 24.

The square root of 40909101 is about 6396.0222795109. The cubic root of 40909101 is about 344.5667066224.

The spelling of 40909101 in words is "forty million, nine hundred nine thousand, one hundred one".