219115253140 has 48 divisors (see below), whose sum is σ = 536608800000. Its totient is φ = 75125227296.

The previous prime is 219115253113. The next prime is 219115253141. The reversal of 219115253140 is 41352511912.

It is a super-2 number, since 2×219115253140² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 219115253096 and 219115253105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (219115253141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15963640 + ... + 15977359.

It is an arithmetic number, because the mean of its divisors is an integer number (11179350000).

Almost surely, 2^219115253140 is an apocalyptic number.

219115253140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

219115253140 is an abundant number, since it is smaller than the sum of its proper divisors (317493546860).

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

219115253140 is a wasteful number, since it uses less digits than its factorization.

219115253140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31941029 (or 31941013 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 34.

The spelling of 219115253140 in words is "two hundred nineteen billion, one hundred fifteen million, two hundred fifty-three thousand, one hundred forty".