19102540000 has 60 divisors (see below), whose sum is σ = 46995162984. Its totient is φ = 7641008000.

The previous prime is 19102539997. The next prime is 19102540001. The reversal of 19102540000 is 4520191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19102540001) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 457564 + ... + 497563.

Almost surely, 2^19102540000 is an apocalyptic number.

19102540000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19102540000 is an abundant number, since it is smaller than the sum of its proper divisors (27892622984).

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

19102540000 is an frugal number, since it uses more digits than its factorization.

19102540000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955157 (or 955134 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The spelling of 19102540000 in words is "nineteen billion, one hundred two million, five hundred forty thousand".