8940155389 has 8 divisors (see below), whose sum is σ = 9768711168. Its totient is φ = 8114235360.

The previous prime is 8940155383. The next prime is 8940155417. The reversal of 8940155389 is 9835510498.

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

It is not a de Polignac number, because 8940155389 - 2⁷ = 8940155261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8940155383) 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, 651837 + ... + 665410.

It is an arithmetic number, because the mean of its divisors is an integer number (1221088896).

Almost surely, 2^8940155389 is an apocalyptic number.

It is an amenable number.

8940155389 is a deficient number, since it is larger than the sum of its proper divisors (828555779).

8940155389 is a wasteful number, since it uses less digits than its factorization.

8940155389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1317875.

The product of its (nonzero) digits is 1555200, while the sum is 52.

The square root of 8940155389 is about 94552.3949405831. The cubic root of 8940155389 is about 2075.4631289465.

The spelling of 8940155389 in words is "eight billion, nine hundred forty million, one hundred fifty-five thousand, three hundred eighty-nine".