1282757300940 has 96 divisors (see below), whose sum is σ = 3819752100864. Its totient is φ = 320528604160.

The previous prime is 1282757300879. The next prime is 1282757300941. The reversal of 1282757300940 is 490037572821.

It is a happy number.

It is a super-2 number, since 2×1282757300940² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1282757300940.

It is not an unprimeable number, because it can be changed into a prime (1282757300941) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2538516 + ... + 3001595.

It is an arithmetic number, because the mean of its divisors is an integer number (39789084384).

Almost surely, 2^{1282757300940} is an apocalyptic number.

1282757300940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1282757300940 is an abundant number, since it is smaller than the sum of its proper divisors (2536994799924).

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

1282757300940 is a wasteful number, since it uses less digits than its factorization.

1282757300940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5540367 (or 5540365 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 48.

The spelling of 1282757300940 in words is "one trillion, two hundred eighty-two billion, seven hundred fifty-seven million, three hundred thousand, nine hundred forty".