5436423256 has 32 divisors (see below), whose sum is σ = 11151882000. Its totient is φ = 2464007040.

The previous prime is 5436423247. The next prime is 5436423257. The reversal of 5436423256 is 6523246345.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5436423257) 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, 57795 + ... + 119218.

Almost surely, 2^5436423256 is an apocalyptic number.

It is an amenable number.

5436423256 is an abundant number, since it is smaller than the sum of its proper divisors (5715458744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5436423256 is a wasteful number, since it uses less digits than its factorization.

5436423256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177379 (or 177375 counting only the distinct ones).

The product of its digits is 518400, while the sum is 40.

The square root of 5436423256 is about 73732.1046491961. The cubic root of 5436423256 is about 1758.3463349897.

Subtracting 5436423256 from its reverse (6523246345), we obtain a square (1086823089 = 32967²).

The spelling of 5436423256 in words is "five billion, four hundred thirty-six million, four hundred twenty-three thousand, two hundred fifty-six".