1540120445300 has 144 divisors (see below), whose sum is σ = 3518954772480. Its totient is φ = 584304768000.

The previous prime is 1540120445251. The next prime is 1540120445317. The reversal of 1540120445300 is 35440210451.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 229215341 + ... + 229222059.

It is an arithmetic number, because the mean of its divisors is an integer number (24437185920).

Almost surely, 2^{1540120445300} is an apocalyptic number.

1540120445300 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 1540120445300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1759477386240).

1540120445300 is an abundant number, since it is smaller than the sum of its proper divisors (1978834327180).

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

1540120445300 is a wasteful number, since it uses less digits than its factorization.

1540120445300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8322 (or 8315 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 1540120445300 its reverse (35440210451), we get a palindrome (1575560655751).

The spelling of 1540120445300 in words is "one trillion, five hundred forty billion, one hundred twenty million, four hundred forty-five thousand, three hundred".