4155494487 has 8 divisors (see below), whose sum is σ = 5571613440. Its totient is φ = 2754852600.

The previous prime is 4155494471. The next prime is 4155494491. The reversal of 4155494487 is 7844945514.

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

It is not a de Polignac number, because 4155494487 - 2⁴ = 4155494471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4155494687) 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, 3868639 + ... + 3869712.

It is an arithmetic number, because the mean of its divisors is an integer number (696451680).

Almost surely, 2^4155494487 is an apocalyptic number.

4155494487 is a deficient number, since it is larger than the sum of its proper divisors (1416118953).

4155494487 is a wasteful number, since it uses less digits than its factorization.

4155494487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7738533.

The product of its digits is 3225600, while the sum is 51.

The square root of 4155494487 is about 64463.1250173306. The cubic root of 4155494487 is about 1607.7094708676.

The spelling of 4155494487 in words is "four billion, one hundred fifty-five million, four hundred ninety-four thousand, four hundred eighty-seven".