4538914421952 has 112 divisors (see below), whose sum is σ = 12156146144352. Its totient is φ = 1494529228800.

The previous prime is 4538914421939. The next prime is 4538914421959. The reversal of 4538914421952 is 2591244198354.

It is a junction number, because it is equal to n+sod(n) for n = 4538914421892 and 4538914421901.

It is not an unprimeable number, because it can be changed into a prime (4538914421959) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8126458 + ... + 8667014.

It is an arithmetic number, because the mean of its divisors is an integer number (108537019146).

Almost surely, 2^{4538914421952} 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 4538914421952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6078073072176).

4538914421952 is an abundant number, since it is smaller than the sum of its proper divisors (7617231722400).

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

4538914421952 is a wasteful number, since it uses less digits than its factorization.

4538914421952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541106 (or 541096 counting only the distinct ones).

The product of its digits is 12441600, while the sum is 57.

The spelling of 4538914421952 in words is "four trillion, five hundred thirty-eight billion, nine hundred fourteen million, four hundred twenty-one thousand, nine hundred fifty-two".