19040375567940 has 96 divisors (see below), whose sum is σ = 53873816747520. Its totient is φ = 5024151360000.

The previous prime is 19040375567909. The next prime is 19040375567999. The reversal of 19040375567940 is 4976557304091.

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 31 ways as a sum of consecutive naturals, for example, 2973210 + ... + 6849870.

It is an arithmetic number, because the mean of its divisors is an integer number (561185591120).

Almost surely, 2^{19040375567940} is an apocalyptic number.

19040375567940 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 19040375567940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26936908373760).

19040375567940 is an abundant number, since it is smaller than the sum of its proper divisors (34833441179580).

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

19040375567940 is a wasteful number, since it uses less digits than its factorization.

19040375567940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3877533 (or 3877531 counting only the distinct ones).

The product of its (nonzero) digits is 28576800, while the sum is 60.

The spelling of 19040375567940 in words is "nineteen trillion, forty billion, three hundred seventy-five million, five hundred sixty-seven thousand, nine hundred forty".