276189450320 has 40 divisors (see below), whose sum is σ = 733874826624. Its totient is φ = 94693525632.

The previous prime is 276189450311. The next prime is 276189450353. The reversal of 276189450320 is 23054981672.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×276189450320² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246597164 + ... + 246598283.

It is a 1-persistent number, because it is pandigital, but 2⋅276189450320 = 552378900640 is not.

Almost surely, 2^276189450320 is an apocalyptic number.

276189450320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

276189450320 is an abundant number, since it is smaller than the sum of its proper divisors (457685376304).

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

276189450320 is a wasteful number, since it uses less digits than its factorization.

276189450320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493195467 (or 493195461 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 276189450320 in words is "two hundred seventy-six billion, one hundred eighty-nine million, four hundred fifty thousand, three hundred twenty".