40355841 has 8 divisors (see below), whose sum is σ = 56973024. Its totient is φ = 25321280.

The previous prime is 40355837. The next prime is 40355857. The reversal of 40355841 is 14855304.

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 40355841 - 2² = 40355837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40355799 and 40355808.

It is not an unprimeable number, because it can be changed into a prime (40355881) 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, 395595 + ... + 395696.

It is an arithmetic number, because the mean of its divisors is an integer number (7121628).

Almost surely, 2^40355841 is an apocalyptic number.

It is an amenable number.

40355841 is a deficient number, since it is larger than the sum of its proper divisors (16617183).

40355841 is a wasteful number, since it uses less digits than its factorization.

40355841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791311.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 40355841 is about 6352.6247331320. The cubic root of 40355841 is about 343.0063294454.

The spelling of 40355841 in words is "forty million, three hundred fifty-five thousand, eight hundred forty-one".