219954712140 has 96 divisors (see below), whose sum is σ = 691992504000. Its totient is φ = 57995536896.

The previous prime is 219954712123. The next prime is 219954712147. The reversal of 219954712140 is 41217459912.

219954712140 is a `hidden beast` number, since 2 + 1 + 99 + 547 + 1 + 2 + 14 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (219954712147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2240275 + ... + 2336394.

It is an arithmetic number, because the mean of its divisors is an integer number (7208255250).

Almost surely, 2^219954712140 is an apocalyptic number.

219954712140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

219954712140 is an abundant number, since it is smaller than the sum of its proper divisors (472037791860).

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

219954712140 is a wasteful number, since it uses less digits than its factorization.

219954712140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4576776 (or 4576768 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The spelling of 219954712140 in words is "two hundred nineteen billion, nine hundred fifty-four million, seven hundred twelve thousand, one hundred forty".