619847363940 has 192 divisors, whose sum is σ = 2013855105024. Its totient is φ = 139518139392.

The previous prime is 619847363929. The next prime is 619847363963. The reversal of 619847363940 is 49363748916.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19821397 + ... + 19852643.

It is an arithmetic number, because the mean of its divisors is an integer number (10488828672).

Almost surely, 2^619847363940 is an apocalyptic number.

619847363940 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 619847363940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1006927552512).

619847363940 is an abundant number, since it is smaller than the sum of its proper divisors (1394007741084).

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

619847363940 is a wasteful number, since it uses less digits than its factorization.

619847363940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31986 (or 31984 counting only the distinct ones).

The product of its (nonzero) digits is 23514624, while the sum is 60.

The spelling of 619847363940 in words is "six hundred nineteen billion, eight hundred forty-seven million, three hundred sixty-three thousand, nine hundred forty".