4521040990 has 16 divisors (see below), whose sum is σ = 8221771152. Its totient is φ = 1789772544.

The previous prime is 4521040921. The next prime is 4521040991. The reversal of 4521040990 is 990401254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4521040991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2329464 + ... + 2331403.

It is an arithmetic number, because the mean of its divisors is an integer number (513860697).

Almost surely, 2^4521040990 is an apocalyptic number.

4521040990 is a deficient number, since it is larger than the sum of its proper divisors (3700730162).

4521040990 is a wasteful number, since it uses less digits than its factorization.

4521040990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4660971.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 4521040990 is about 67238.6867063895. The cubic root of 4521040990 is about 1653.5328027507.

The spelling of 4521040990 in words is "four billion, five hundred twenty-one million, forty thousand, nine hundred ninety".