1544350638144 has 28 divisors (see below), whose sum is σ = 4086094397264. Its totient is φ = 514783545984.

The previous prime is 1544350638133. The next prime is 1544350638157. The reversal of 1544350638144 is 4418360534451.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 1544350638093 and 1544350638102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4021746262 + ... + 4021746645.

Almost surely, 2^{1544350638144} is an apocalyptic number.

It is an amenable number.

1544350638144 is an abundant number, since it is smaller than the sum of its proper divisors (2541743759120).

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

1544350638144 is an equidigital number, since it uses as much as digits as its factorization.

1544350638144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8043492922 (or 8043492912 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 48.

The spelling of 1544350638144 in words is "one trillion, five hundred forty-four billion, three hundred fifty million, six hundred thirty-eight thousand, one hundred forty-four".