1544332030140 has 96 divisors (see below), whose sum is σ = 4368295342656. Its totient is φ = 407618150400.

The previous prime is 1544332030103. The next prime is 1544332030201. The reversal of 1544332030140 is 410302334451.

It is a super-2 number, since 2×1544332030140² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1544332030098 and 1544332030107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20402604 + ... + 20478156.

It is an arithmetic number, because the mean of its divisors is an integer number (45503076486).

Almost surely, 2^{1544332030140} is an apocalyptic number.

1544332030140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1544332030140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2184147671328).

1544332030140 is an abundant number, since it is smaller than the sum of its proper divisors (2823963312516).

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

1544332030140 is a wasteful number, since it uses less digits than its factorization.

1544332030140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79039 (or 79037 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 1544332030140 its reverse (410302334451), we get a palindrome (1954634364591).

The spelling of 1544332030140 in words is "one trillion, five hundred forty-four billion, three hundred thirty-two million, thirty thousand, one hundred forty".