5445694490 has 32 divisors (see below), whose sum is σ = 10388669904. Its totient is φ = 2048204800.

The previous prime is 5445694477. The next prime is 5445694493. The reversal of 5445694490 is 944965445.

It can be written as a sum of positive squares in 8 ways, for example, as 2027070529 + 3418623961 = 45023^2 + 58469^2 .

It is not an unprimeable number, because it can be changed into a prime (5445694493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171890 + ... + 201090.

Almost surely, 2^5445694490 is an apocalyptic number.

5445694490 is a deficient number, since it is larger than the sum of its proper divisors (4942975414).

5445694490 is a wasteful number, since it uses less digits than its factorization.

5445694490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30322.

The product of its (nonzero) digits is 3110400, while the sum is 50.

The square root of 5445694490 is about 73794.9489463879. The cubic root of 5445694490 is about 1759.3453240433.

The spelling of 5445694490 in words is "five billion, four hundred forty-five million, six hundred ninety-four thousand, four hundred ninety".