215051714480 has 80 divisors (see below), whose sum is σ = 516864561408. Its totient is φ = 83126400000.

The previous prime is 215051714461. The next prime is 215051714497. The reversal of 215051714480 is 84417150512.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-4 number, since 4×215051714480⁴ (a number of 46 digits) contains 4444 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1676630 + ... + 1800330.

Almost surely, 2^215051714480 is an apocalyptic number.

215051714480 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 215051714480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258432280704).

215051714480 is an abundant number, since it is smaller than the sum of its proper divisors (301812846928).

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

215051714480 is a wasteful number, since it uses less digits than its factorization.

215051714480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124446 (or 124440 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 38.

Adding to 215051714480 its reverse (84417150512), we get a palindrome (299468864992).

The spelling of 215051714480 in words is "two hundred fifteen billion, fifty-one million, seven hundred fourteen thousand, four hundred eighty".