3538944004 has 18 divisors (see below), whose sum is σ = 6399382542. Its totient is φ = 1712390400.

The previous prime is 3538943981. The next prime is 3538944053. The reversal of 3538944004 is 4004498353.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3317529604 + 221414400 = 57598^2 + 14880^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 456477 + ... + 464164.

Almost surely, 2^3538944004 is an apocalyptic number.

It is an amenable number.

3538944004 is a deficient number, since it is larger than the sum of its proper divisors (2860438538).

3538944004 is a wasteful number, since it uses less digits than its factorization.

3538944004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920707 (or 920674 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 40.

The square root of 3538944004 is about 59489.0242313656. The cubic root of 3538944004 is about 1523.9050104636.

The spelling of 3538944004 in words is "three billion, five hundred thirty-eight million, nine hundred forty-four thousand, four".