215492493312000 has 2432 divisors, whose sum is σ = 841285851893760. Its totient is φ = 55037657088000.

The previous prime is 215492493311989. The next prime is 215492493312049. The reversal of 215492493312000 is 213394294512.

215492493312000 is a `hidden beast` number, since 2 + 1 + 5 + 492 + 4 + 9 + 33 + 120 + 0 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2221572095952 + ... + 2221572096048.

Almost surely, 2^{215492493312000} is an apocalyptic number.

215492493312000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 215492493312000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (420642925946880).

215492493312000 is an abundant number, since it is smaller than the sum of its proper divisors (625793358581760).

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

215492493312000 is an frugal number, since it uses more digits than its factorization.

215492493312000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200 (or 138 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The spelling of 215492493312000 in words is "two hundred fifteen trillion, four hundred ninety-two billion, four hundred ninety-three million, three hundred twelve thousand".