19850142576 has 160 divisors (see below), whose sum is σ = 57326330880. Its totient is φ = 5867596800.

The previous prime is 19850142541. The next prime is 19850142577. The reversal of 19850142576 is 67524105891.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19850142577) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5063145 + ... + 5067063.

It is an arithmetic number, because the mean of its divisors is an integer number (358289568).

Almost surely, 2^19850142576 is an apocalyptic number.

19850142576 is a gapful number since it is divisible by the number (16) 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 19850142576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28663165440).

19850142576 is an abundant number, since it is smaller than the sum of its proper divisors (37476188304).

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

19850142576 is a wasteful number, since it uses less digits than its factorization.

19850142576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4175 (or 4169 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 48.

The spelling of 19850142576 in words is "nineteen billion, eight hundred fifty million, one hundred forty-two thousand, five hundred seventy-six".