1944425211550 has 24 divisors (see below), whose sum is σ = 3617000211456. Its totient is φ = 777690661440.

The previous prime is 1944425211539. The next prime is 1944425211569. The reversal of 1944425211550 is 551125244491.

It is a super-2 number, since 2×1944425211550² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1944425211497 and 1944425211506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1489822 + ... + 2471521.

It is an arithmetic number, because the mean of its divisors is an integer number (150708342144).

Almost surely, 2^{1944425211550} is an apocalyptic number.

1944425211550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1944425211550 is a deficient number, since it is larger than the sum of its proper divisors (1672574999906).

1944425211550 is a wasteful number, since it uses less digits than its factorization.

1944425211550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3971172 (or 3971167 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 43.

The spelling of 1944425211550 in words is "one trillion, nine hundred forty-four billion, four hundred twenty-five million, two hundred eleven thousand, five hundred fifty".