40155359 has 8 divisors (see below), whose sum is σ = 41255088. Its totient is φ = 39061440.

The previous prime is 40155347. The next prime is 40155361. The reversal of 40155359 is 95355104.

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-40155359 is a prime.

It is a super-2 number, since 2×40155359² = 3224905712837762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40155389) 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, 15044 + ... + 17510.

It is an arithmetic number, because the mean of its divisors is an integer number (5156886).

Almost surely, 2^40155359 is an apocalyptic number.

40155359 is a deficient number, since it is larger than the sum of its proper divisors (1099729).

40155359 is a wasteful number, since it uses less digits than its factorization.

40155359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2905.

The product of its (nonzero) digits is 13500, while the sum is 32.

The square root of 40155359 is about 6336.8256248693. The cubic root of 40155359 is about 342.4373842590.

The spelling of 40155359 in words is "forty million, one hundred fifty-five thousand, three hundred fifty-nine".