4538535987456 has 81 divisors (see below), whose sum is σ = 13086012969939. Its totient is φ = 1512811243008.

The previous prime is 4538535987449. The next prime is 4538535987473. The reversal of 4538535987456 is 6547895358354.

The square root of 4538535987456 is 2130384.

It is a perfect power (a square), and thus also a powerful number.

4538535987456 is a `hidden beast` number, since 4 + 5 + 3 + 8 + 535 + 9 + 87 + 4 + 5 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 102236241 + ... + 102280623.

Almost surely, 2^{4538535987456} is an apocalyptic number.

4538535987456 is the 2130384-th square number.

It is an amenable number.

4538535987456 is an abundant number, since it is smaller than the sum of its proper divisors (8547476982483).

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

4538535987456 is an frugal number, since it uses more digits than its factorization.

4538535987456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88788 (or 44388 counting only the distinct ones).

The product of its digits is 2177280000, while the sum is 72.

The spelling of 4538535987456 in words is "four trillion, five hundred thirty-eight billion, five hundred thirty-five million, nine hundred eighty-seven thousand, four hundred fifty-six".