1276400002750 has 32 divisors (see below), whose sum is σ = 2389946135616. Its totient is φ = 510447751200.

The previous prime is 1276400002733. The next prime is 1276400002753. The reversal of 1276400002750 is 572000046721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1276400002753) 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, 582784 + ... + 1700716.

It is an arithmetic number, because the mean of its divisors is an integer number (74685816738).

Almost surely, 2^{1276400002750} is an apocalyptic number.

1276400002750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1276400002750 is a deficient number, since it is larger than the sum of its proper divisors (1113546132866).

1276400002750 is a wasteful number, since it uses less digits than its factorization.

1276400002750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122517 (or 1122507 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

The spelling of 1276400002750 in words is "one trillion, two hundred seventy-six billion, four hundred million, two thousand, seven hundred fifty".