1944713428 has 24 divisors (see below), whose sum is σ = 3953191424. Its totient is φ = 819784800.

The previous prime is 1944713423. The next prime is 1944713429. The reversal of 1944713428 is 8243174491.

It is a super-2 number, since 2×1944713428² = 7563820634087022368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1944713423) 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 7 ways as a sum of consecutive naturals, for example, 567588 + ... + 571003.

Almost surely, 2^1944713428 is an apocalyptic number.

It is an amenable number.

1944713428 is an abundant number, since it is smaller than the sum of its proper divisors (2008477996).

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

1944713428 is a wasteful number, since it uses less digits than its factorization.

1944713428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138663 (or 1138661 counting only the distinct ones).

The product of its digits is 193536, while the sum is 43.

The square root of 1944713428 is about 44098.9050657723. The cubic root of 1944713428 is about 1248.2029490310.

The spelling of 1944713428 in words is "one billion, nine hundred forty-four million, seven hundred thirteen thousand, four hundred twenty-eight".