1262688280140 has 48 divisors (see below), whose sum is σ = 4040602497792. Its totient is φ = 288614463936.

The previous prime is 1262688280127. The next prime is 1262688280153. The reversal of 1262688280140 is 410828862621.

It is an interprime number because it is at equal distance from previous prime (1262688280127) and next prime (1262688280153).

It is a super-2 number, since 2×1262688280140² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1262688280140.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1503199914 + ... + 1503200753.

It is an arithmetic number, because the mean of its divisors is an integer number (84179218704).

Almost surely, 2^{1262688280140} is an apocalyptic number.

1262688280140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1262688280140 is an abundant number, since it is smaller than the sum of its proper divisors (2777914217652).

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

1262688280140 is a wasteful number, since it uses less digits than its factorization.

1262688280140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3006400686 (or 3006400684 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 48.

The spelling of 1262688280140 in words is "one trillion, two hundred sixty-two billion, six hundred eighty-eight million, two hundred eighty thousand, one hundred forty".