2019842740432 has 320 divisors, whose sum is σ = 4730241245184. Its totient is φ = 825962987520.

The previous prime is 2019842740397. The next prime is 2019842740439. The reversal of 2019842740432 is 2340472489102.

It is a super-3 number, since 3×2019842740432³ (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2019842740439) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 584274448 + ... + 584277904.

Almost surely, 2^{2019842740432} is an apocalyptic number.

2019842740432 is a gapful number since it is divisible by the number (22) 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 2019842740432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2365120622592).

2019842740432 is an abundant number, since it is smaller than the sum of its proper divisors (2710398504752).

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

2019842740432 is a wasteful number, since it uses less digits than its factorization.

2019842740432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3666 (or 3660 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 46.

The spelling of 2019842740432 in words is "two trillion, nineteen billion, eight hundred forty-two million, seven hundred forty thousand, four hundred thirty-two".