276395140080 has 480 divisors, whose sum is σ = 989436547008. Its totient is φ = 71663616000.

The previous prime is 276395139997. The next prime is 276395140081. The reversal of 276395140080 is 80041593672.

276395140080 is a `hidden beast` number, since 2 + 7 + 639 + 5 + 1 + 4 + 0 + 0 + 8 + 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 not an unprimeable number, because it can be changed into a prime (276395140081) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 459891780 + ... + 459892380.

It is a 1-persistent number, because it is pandigital, but 2⋅276395140080 = 552790280160 is not.

Almost surely, 2^276395140080 is an apocalyptic number.

276395140080 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 276395140080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (494718273504).

276395140080 is an abundant number, since it is smaller than the sum of its proper divisors (713041406928).

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

276395140080 is a wasteful number, since it uses less digits than its factorization.

276395140080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1247 (or 1229 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 276395140080 in words is "two hundred seventy-six billion, three hundred ninety-five million, one hundred forty thousand, eighty".