276485113840 has 80 divisors (see below), whose sum is σ = 714607762176. Its totient is φ = 98793676800.

The previous prime is 276485113787. The next prime is 276485113841. The reversal of 276485113840 is 48311584672.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276485113841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4255681 + ... + 4320160.

Almost surely, 2^276485113840 is an apocalyptic number.

276485113840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

276485113840 is an abundant number, since it is smaller than the sum of its proper divisors (438122648336).

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

276485113840 is a wasteful number, since it uses less digits than its factorization.

276485113840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8575898 (or 8575892 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 49.

The spelling of 276485113840 in words is "two hundred seventy-six billion, four hundred eighty-five million, one hundred thirteen thousand, eight hundred forty".