19058879840 has 384 divisors, whose sum is σ = 60996354048. Its totient is φ = 5434490880.

The previous prime is 19058879839. The next prime is 19058879863. The reversal of 19058879840 is 4897885091.

It is a self number, because there is not a number n which added to its sum of digits gives 19058879840.

It is a congruent number.

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, 20339852 + ... + 20340788.

It is an arithmetic number, because the mean of its divisors is an integer number (158844672).

Almost surely, 2^19058879840 is an apocalyptic number.

19058879840 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 19058879840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30498177024).

19058879840 is an abundant number, since it is smaller than the sum of its proper divisors (41937474208).

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

19058879840 is a wasteful number, since it uses less digits than its factorization.

19058879840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110 (or 1102 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 59.

It can be divided in two parts, 19058 and 879840, that added together give a palindrome (898898).

The spelling of 19058879840 in words is "nineteen billion, fifty-eight million, eight hundred seventy-nine thousand, eight hundred forty".