210978150488 has 32 divisors (see below), whose sum is σ = 462609903360. Its totient is φ = 88316434080.

The previous prime is 210978150457. The next prime is 210978150511. The reversal of 210978150488 is 884051879012.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 43805348 + ... + 43810163.

It is an arithmetic number, because the mean of its divisors is an integer number (14456559480).

Almost surely, 2^210978150488 is an apocalyptic number.

210978150488 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

210978150488 is an abundant number, since it is smaller than the sum of its proper divisors (251631752872).

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

210978150488 is a wasteful number, since it uses less digits than its factorization.

210978150488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87615567 (or 87615563 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 53.

The spelling of 210978150488 in words is "two hundred ten billion, nine hundred seventy-eight million, one hundred fifty thousand, four hundred eighty-eight".