4494784490 has 64 divisors (see below), whose sum is σ = 9586563840. Its totient is φ = 1485288960.

The previous prime is 4494784477. The next prime is 4494784493. The reversal of 4494784490 is 944874944.

It is a super-2 number, since 2×4494784490² = 40406175223089120200, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4494784493) 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, 228776 + ... + 247644.

It is an arithmetic number, because the mean of its divisors is an integer number (149790060).

Almost surely, 2^4494784490 is an apocalyptic number.

4494784490 is an abundant number, since it is smaller than the sum of its proper divisors (5091779350).

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

4494784490 is a wasteful number, since it uses less digits than its factorization.

4494784490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19007.

The product of its (nonzero) digits is 4644864, while the sum is 53.

The square root of 4494784490 is about 67043.1539383403. The cubic root of 4494784490 is about 1650.3255543724.

The spelling of 4494784490 in words is "four billion, four hundred ninety-four million, seven hundred eighty-four thousand, four hundred ninety".