3550640072 has 32 divisors (see below), whose sum is σ = 7610803200. Its totient is φ = 1521245184.

The previous prime is 3550640053. The next prime is 3550640081. The reversal of 3550640072 is 2700460553.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232793 + ... + 247575.

It is an arithmetic number, because the mean of its divisors is an integer number (237837600).

Almost surely, 2^3550640072 is an apocalyptic number.

It is an amenable number.

3550640072 is an abundant number, since it is smaller than the sum of its proper divisors (4060163128).

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

3550640072 is a wasteful number, since it uses less digits than its factorization.

3550640072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19085 (or 19081 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 3550640072 is about 59587.2475618735. The cubic root of 3550640072 is about 1525.5819793605.

The spelling of 3550640072 in words is "three billion, five hundred fifty million, six hundred forty thousand, seventy-two".