40036155 has 8 divisors (see below), whose sum is σ = 64057872. Its totient is φ = 21352608.

The previous prime is 40036141. The next prime is 40036163. The reversal of 40036155 is 55163004.

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

It is not a de Polignac number, because 40036155 - 2⁶ = 40036091 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1334524 + ... + 1334553.

It is an arithmetic number, because the mean of its divisors is an integer number (8007234).

Almost surely, 2^40036155 is an apocalyptic number.

40036155 is a deficient number, since it is larger than the sum of its proper divisors (24021717).

40036155 is a wasteful number, since it uses less digits than its factorization.

40036155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2669085.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 40036155 is about 6327.4129784613. The cubic root of 40036155 is about 342.0981986063.

Adding to 40036155 its reverse (55163004), we get a palindrome (95199159).

The spelling of 40036155 in words is "forty million, thirty-six thousand, one hundred fifty-five".