40655001 has 8 divisors (see below), whose sum is σ = 54238464. Its totient is φ = 27087440.

The previous prime is 40654987. The next prime is 40655011. The reversal of 40655001 is 10055604.

It is a happy number.

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 40655001 - 2⁵ = 40654969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40655011) 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, 4696 + ... + 10166.

It is an arithmetic number, because the mean of its divisors is an integer number (6779808).

Almost surely, 2^40655001 is an apocalyptic number.

It is an amenable number.

40655001 is a deficient number, since it is larger than the sum of its proper divisors (13583463).

40655001 is a wasteful number, since it uses less digits than its factorization.

40655001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7951.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 40655001 is about 6376.1274297178. The cubic root of 40655001 is about 343.8518183895.

The spelling of 40655001 in words is "forty million, six hundred fifty-five thousand, one".