1944426625000 has 56 divisors (see below), whose sum is σ = 4557191862510. Its totient is φ = 777770600000.

The previous prime is 1944426624979. The next prime is 1944426625013. The reversal of 1944426625000 is 5266244491.

It can be written as a sum of positive squares in 7 ways, for example, as 1183208764516 + 761217860484 = 1087754^2 + 872478^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 7652707 + ... + 7902706.

Almost surely, 2^{1944426625000} is an apocalyptic number.

1944426625000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1944426625000 is an abundant number, since it is smaller than the sum of its proper divisors (2612765237510).

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

1944426625000 is an frugal number, since it uses more digits than its factorization.

1944426625000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15555449 (or 15555420 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 43.

The spelling of 1944426625000 in words is "one trillion, nine hundred forty-four billion, four hundred twenty-six million, six hundred twenty-five thousand".