5126556628 has 6 divisors (see below), whose sum is σ = 8971474106. Its totient is φ = 2563278312.

The previous prime is 5126556623. The next prime is 5126556629. The reversal of 5126556628 is 8266556215.

It can be written as a sum of positive squares in only one way, i.e., 5126273604 + 283024 = 71598^2 + 532^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5126556623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 640819575 + ... + 640819582.

Almost surely, 2^5126556628 is an apocalyptic number.

It is an amenable number.

5126556628 is a deficient number, since it is larger than the sum of its proper divisors (3844917478).

5126556628 is a wasteful number, since it uses less digits than its factorization.

5126556628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281639161 (or 1281639159 counting only the distinct ones).

The product of its digits is 864000, while the sum is 46.

The square root of 5126556628 is about 71599.9764525101. The cubic root of 5126556628 is about 1724.2831583429.

The spelling of 5126556628 in words is "five billion, one hundred twenty-six million, five hundred fifty-six thousand, six hundred twenty-eight".