4156390287 has 64 divisors (see below), whose sum is σ = 7403904000. Its totient is φ = 2254137984.

The previous prime is 4156390261. The next prime is 4156390297. The reversal of 4156390287 is 7820936514.

4156390287 is a `hidden beast` number, since 4 + 1 + 5 + 639 + 0 + 2 + 8 + 7 = 666.

4156390287 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4156390287 - 2⁶ = 4156390223 is a prime.

4156390287 is strictly pandigital in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4156390207) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 316953 + ... + 329805.

It is an arithmetic number, because the mean of its divisors is an integer number (115686000).

It is a 1-persistent number, because it is pandigital, but 2⋅4156390287 = 8312780574 is not.

Almost surely, 2^4156390287 is an apocalyptic number.

4156390287 is a deficient number, since it is larger than the sum of its proper divisors (3247513713).

4156390287 is a wasteful number, since it uses less digits than its factorization.

4156390287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12957 (or 12951 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 4156390287 is about 64470.0728012618. The cubic root of 4156390287 is about 1607.8249872178.

The spelling of 4156390287 in words is "four billion, one hundred fifty-six million, three hundred ninety thousand, two hundred eighty-seven".