3742440189 has 32 divisors (see below), whose sum is σ = 5245599744. Its totient is φ = 2370817920.

The previous prime is 3742440181. The next prime is 3742440209. The reversal of 3742440189 is 9810442473.

It is not a de Polignac number, because 3742440189 - 2³ = 3742440181 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3742440189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3742440181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1287712 + ... + 1290614.

It is an arithmetic number, because the mean of its divisors is an integer number (163924992).

Almost surely, 2^3742440189 is an apocalyptic number.

It is an amenable number.

3742440189 is a deficient number, since it is larger than the sum of its proper divisors (1503159555).

3742440189 is a wasteful number, since it uses less digits than its factorization.

3742440189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3217.

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 3742440189 is about 61175.4868309195. The cubic root of 3742440189 is about 1552.5715466157.

The spelling of 3742440189 in words is "three billion, seven hundred forty-two million, four hundred forty thousand, one hundred eighty-nine".