5445202090 has 8 divisors (see below), whose sum is σ = 9801363780. Its totient is φ = 2178080832.

The previous prime is 5445202043. The next prime is 5445202097. The reversal of 5445202090 is 902025445.

It can be written as a sum of positive squares in 2 ways, for example, as 5158543329 + 286658761 = 71823^2 + 16931^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (5445202097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272260095 + ... + 272260114.

Almost surely, 2^5445202090 is an apocalyptic number.

5445202090 is a deficient number, since it is larger than the sum of its proper divisors (4356161690).

5445202090 is a wasteful number, since it uses less digits than its factorization.

5445202090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544520216.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 5445202090 is about 73791.6125992650. The cubic root of 5445202090 is about 1759.2922957441.

The spelling of 5445202090 in words is "five billion, four hundred forty-five million, two hundred two thousand, ninety".