4620186889444 has 27 divisors (see below), whose sum is σ = 9405441713577. Its totient is φ = 1980067198704.

The previous prime is 4620186889441. The next prime is 4620186889463. The reversal of 4620186889444 is 4449886810264.

The square root of 4620186889444 is 2149462.

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

It can be written as a sum of positive squares in only one way, i.e., 1493259560100 + 3126927329344 = 1221990^2 + 1768312^2 .

It is a super-2 number, since 2×4620186889444² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4620186889441) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 30015702 + ... + 30169234.

Almost surely, 2^{4620186889444} is an apocalyptic number.

4620186889444 is the 2149462-nd square number.

It is an amenable number.

4620186889444 is an abundant number, since it is smaller than the sum of its proper divisors (4785254824133).

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

4620186889444 is an frugal number, since it uses more digits than its factorization.

4620186889444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307084 (or 153542 counting only the distinct ones).

The product of its (nonzero) digits is 84934656, while the sum is 64.

Multiplying 4620186889444 by its sum of digits (64), we get a square (295691960924416 = 17195696²).

The spelling of 4620186889444 in words is "four trillion, six hundred twenty billion, one hundred eighty-six million, eight hundred eighty-nine thousand, four hundred forty-four".