1944874002 has 32 divisors (see below), whose sum is σ = 3912681024. Its totient is φ = 644480000.

The previous prime is 1944873989. The next prime is 1944874003. The reversal of 1944874002 is 2004784491.

It is not an unprimeable number, because it can be changed into a prime (1944874003) 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, 1145218 + ... + 1146914.

It is an arithmetic number, because the mean of its divisors is an integer number (122271282).

Almost surely, 2^1944874002 is an apocalyptic number.

1944874002 is an abundant number, since it is smaller than the sum of its proper divisors (1967807022).

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

1944874002 is a wasteful number, since it uses less digits than its factorization.

1944874002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2714.

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 1944874002 is about 44100.7256402885. The cubic root of 1944874002 is about 1248.2373025800.

The spelling of 1944874002 in words is "one billion, nine hundred forty-four million, eight hundred seventy-four thousand, two".