219415139340 has 48 divisors (see below), whose sum is σ = 627433938432. Its totient is φ = 57265794496.

The previous prime is 219415139329. The next prime is 219415139357. The reversal of 219415139340 is 43931514912.

It is a junction number, because it is equal to n+sod(n) for n = 219415139292 and 219415139301.

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, 38900574 + ... + 38906213.

It is an arithmetic number, because the mean of its divisors is an integer number (13071540384).

Almost surely, 2^219415139340 is an apocalyptic number.

219415139340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

219415139340 is an abundant number, since it is smaller than the sum of its proper divisors (408018799092).

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

219415139340 is a wasteful number, since it uses less digits than its factorization.

219415139340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77806846 (or 77806844 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 42.

The spelling of 219415139340 in words is "two hundred nineteen billion, four hundred fifteen million, one hundred thirty-nine thousand, three hundred forty".