40232155 has 8 divisors (see below), whose sum is σ = 48391200. Its totient is φ = 32110656.

The previous prime is 40232147. The next prime is 40232161. The reversal of 40232155 is 55123204.

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 40232155 - 2³ = 40232147 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, 6970 + ... + 11359.

It is an arithmetic number, because the mean of its divisors is an integer number (6048900).

Almost surely, 2^40232155 is an apocalyptic number.

40232155 is a deficient number, since it is larger than the sum of its proper divisors (8159045).

40232155 is a wasteful number, since it uses less digits than its factorization.

40232155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18773.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 40232155 is about 6342.8822312889. The cubic root of 40232155 is about 342.6555458792.

Adding to 40232155 its reverse (55123204), we get a palindrome (95355359).

The spelling of 40232155 in words is "forty million, two hundred thirty-two thousand, one hundred fifty-five".