1260392982464 has 112 divisors (see below), whose sum is σ = 3218833913856. Its totient is φ = 475221427200.

The previous prime is 1260392982463. The next prime is 1260392982469. The reversal of 1260392982464 is 4642892930621.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×1260392982464² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1260392982463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3972419 + ... + 4277954.

Almost surely, 2^{1260392982464} is an apocalyptic number.

1260392982464 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1260392982464 is an abundant number, since it is smaller than the sum of its proper divisors (1958440931392).

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

1260392982464 is a wasteful number, since it uses less digits than its factorization.

1260392982464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8250434 (or 8250424 counting only the distinct ones).

The product of its (nonzero) digits is 8957952, while the sum is 56.

The spelling of 1260392982464 in words is "one trillion, two hundred sixty billion, three hundred ninety-two million, nine hundred eighty-two thousand, four hundred sixty-four".