214278878320 has 80 divisors (see below), whose sum is σ = 536601405312. Its totient is φ = 79106549760.

The previous prime is 214278878291. The next prime is 214278878393. The reversal of 214278878320 is 23878872412.

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

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

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, 10255404 + ... + 10276276.

Almost surely, 2^214278878320 is an apocalyptic number.

214278878320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214278878320 is an abundant number, since it is smaller than the sum of its proper divisors (322322526992).

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

214278878320 is a wasteful number, since it uses less digits than its factorization.

214278878320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30770 (or 30764 counting only the distinct ones).

The product of its (nonzero) digits is 2408448, while the sum is 52.

The spelling of 214278878320 in words is "two hundred fourteen billion, two hundred seventy-eight million, eight hundred seventy-eight thousand, three hundred twenty".