19140581480 has 32 divisors (see below), whose sum is σ = 43405424640. Its totient is φ = 7595945280.

The previous prime is 19140581459. The next prime is 19140581483. The reversal of 19140581480 is 8418504191.

It is not an unprimeable number, because it can be changed into a prime (19140581483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1878836 + ... + 1888995.

It is an arithmetic number, because the mean of its divisors is an integer number (1356419520).

Almost surely, 2^19140581480 is an apocalyptic number.

19140581480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19140581480 is an abundant number, since it is smaller than the sum of its proper divisors (24264843160).

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

19140581480 is a wasteful number, since it uses less digits than its factorization.

19140581480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3767969 (or 3767965 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 41.

The spelling of 19140581480 in words is "nineteen billion, one hundred forty million, five hundred eighty-one thousand, four hundred eighty".