19741270940 has 48 divisors (see below), whose sum is σ = 43821388800. Its totient is φ = 7449567552.

The previous prime is 19741270853. The next prime is 19741270951. The reversal of 19741270940 is 4907214791.

It is a junction number, because it is equal to n+sod(n) for n = 19741270891 and 19741270900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17864 + ... + 199503.

It is an arithmetic number, because the mean of its divisors is an integer number (912945600).

Almost surely, 2^19741270940 is an apocalyptic number.

19741270940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19741270940 is an abundant number, since it is smaller than the sum of its proper divisors (24080117860).

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

19741270940 is a wasteful number, since it uses less digits than its factorization.

19741270940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217634 (or 217632 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 44.

The spelling of 19741270940 in words is "nineteen billion, seven hundred forty-one million, two hundred seventy thousand, nine hundred forty".