5438659500 has 72 divisors (see below), whose sum is σ = 17157172032. Its totient is φ = 1450308000.

The previous prime is 5438659483. The next prime is 5438659559. The reversal of 5438659500 is 59568345.

5438659500 is a `hidden beast` number, since 54 + 3 + 8 + 6 + 595 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 599796 + ... + 608795.

It is an arithmetic number, because the mean of its divisors is an integer number (238294056).

Almost surely, 2^5438659500 is an apocalyptic number.

5438659500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5438659500 is an abundant number, since it is smaller than the sum of its proper divisors (11718512532).

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

5438659500 is a wasteful number, since it uses less digits than its factorization.

5438659500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1208616 (or 1208601 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The square root of 5438659500 is about 73747.2677459986. The cubic root of 5438659500 is about 1758.5873974328.

The spelling of 5438659500 in words is "five billion, four hundred thirty-eight million, six hundred fifty-nine thousand, five hundred".