4539406508 has 144 divisors (see below), whose sum is σ = 10650044160. Its totient is φ = 1644001920.

The previous prime is 4539406483. The next prime is 4539406537. The reversal of 4539406508 is 8056049354.

It is a super-2 number, since 2×4539406508² = 41212422889745508128, which contains 22 as substring.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6645935 + ... + 6646617.

It is an arithmetic number, because the mean of its divisors is an integer number (73958640).

Almost surely, 2^4539406508 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4539406508, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5325022080).

4539406508 is an abundant number, since it is smaller than the sum of its proper divisors (6110637652).

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

4539406508 is a wasteful number, since it uses less digits than its factorization.

4539406508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788 (or 755 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 44.

The square root of 4539406508 is about 67375.1178700268. The cubic root of 4539406508 is about 1655.7687891431.

The spelling of 4539406508 in words is "four billion, five hundred thirty-nine million, four hundred six thousand, five hundred eight".