4549940290 has 64 divisors (see below), whose sum is σ = 9556081920. Its totient is φ = 1527402240.

The previous prime is 4549940267. The next prime is 4549940359. The reversal of 4549940290 is 920499454.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 4549940290.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2443960 + ... + 2445820.

It is an arithmetic number, because the mean of its divisors is an integer number (149313780).

Almost surely, 2^4549940290 is an apocalyptic number.

4549940290 is an abundant number, since it is smaller than the sum of its proper divisors (5006141630).

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

4549940290 is a wasteful number, since it uses less digits than its factorization.

4549940290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2587.

The product of its (nonzero) digits is 466560, while the sum is 46.

The square root of 4549940290 is about 67453.2452147412. The cubic root of 4549940290 is about 1657.0485477549.

The spelling of 4549940290 in words is "four billion, five hundred forty-nine million, nine hundred forty thousand, two hundred ninety".