4534990026 has 64 divisors (see below), whose sum is σ = 10690901760. Its totient is φ = 1255357440.

The previous prime is 4534990021. The next prime is 4534990027. The reversal of 4534990026 is 6200994354.

It is a super-2 number, since 2×4534990026² = 41132269071838961352, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 4534990026.

It is not an unprimeable number, because it can be changed into a prime (4534990021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 368460 + ... + 380568.

It is an arithmetic number, because the mean of its divisors is an integer number (167045340).

Almost surely, 2^4534990026 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4534990026, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5345450880).

4534990026 is an abundant number, since it is smaller than the sum of its proper divisors (6155911734).

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

4534990026 is a wasteful number, since it uses less digits than its factorization.

4534990026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12399.

The product of its (nonzero) digits is 233280, while the sum is 42.

The square root of 4534990026 is about 67342.3345749165. The cubic root of 4534990026 is about 1655.2316377282.

The spelling of 4534990026 in words is "four billion, five hundred thirty-four million, nine hundred ninety thousand, twenty-six".