619941121140 has 384 divisors, whose sum is σ = 2052774420480. Its totient is φ = 139333455360.

The previous prime is 619941121103. The next prime is 619941121207. The reversal of 619941121140 is 41121149916.

It is a happy number.

619941121140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 71310634 + ... + 71319326.

It is an arithmetic number, because the mean of its divisors is an integer number (5345766720).

Almost surely, 2^619941121140 is an apocalyptic number.

619941121140 is a gapful number since it is divisible by the number (60) 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 619941121140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1026387210240).

619941121140 is an abundant number, since it is smaller than the sum of its proper divisors (1432833299340).

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

619941121140 is a wasteful number, since it uses less digits than its factorization.

619941121140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8804 (or 8780 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 39.

The spelling of 619941121140 in words is "six hundred nineteen billion, nine hundred forty-one million, one hundred twenty-one thousand, one hundred forty".