40608901 has 8 divisors (see below), whose sum is σ = 42223104. Its totient is φ = 39024480.

The previous prime is 40608863. The next prime is 40608913. The reversal of 40608901 is 10980604.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40608901 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40608901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40608991) 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, 4645 + ... + 10138.

It is an arithmetic number, because the mean of its divisors is an integer number (5277888).

Almost surely, 2^40608901 is an apocalyptic number.

40608901 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

40608901 is a deficient number, since it is larger than the sum of its proper divisors (1614203).

40608901 is a wasteful number, since it uses less digits than its factorization.

40608901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14891.

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

The square root of 40608901 is about 6372.5113573849. The cubic root of 40608901 is about 343.7218010587.

The spelling of 40608901 in words is "forty million, six hundred eight thousand, nine hundred one".