619799040000 has 1950 divisors, whose sum is σ = 2735519879994. Its totient is φ = 139345920000.

The previous prime is 619799039983. The next prime is 619799040019. The reversal of 619799040000 is 40997916.

It can be written as a sum of positive squares in 5 ways, for example, as 426649337856 + 193149702144 = 653184^2 + 439488^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 149 ways as a sum of consecutive naturals, for example, 10160639970 + ... + 10160640030.

Almost surely, 2^619799040000 is an apocalyptic number.

619799040000 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 619799040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1367759939997).

619799040000 is an abundant number, since it is smaller than the sum of its proper divisors (2115720839994).

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

619799040000 is an frugal number, since it uses more digits than its factorization.

619799040000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The spelling of 619799040000 in words is "six hundred nineteen billion, seven hundred ninety-nine million, forty thousand".