1259410340640 has 48 divisors (see below), whose sum is σ = 3967142574528. Its totient is φ = 335842757376.

The previous prime is 1259410340603. The next prime is 1259410340663. The reversal of 1259410340640 is 460430149521.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×1259410340640² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1311885292 + ... + 1311886251.

It is an arithmetic number, because the mean of its divisors is an integer number (82648803636).

Almost surely, 2^{1259410340640} is an apocalyptic number.

1259410340640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1259410340640 is an abundant number, since it is smaller than the sum of its proper divisors (2707732233888).

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

1259410340640 is a wasteful number, since it uses less digits than its factorization.

1259410340640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2623771561 (or 2623771553 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 1259410340640 in words is "one trillion, two hundred fifty-nine billion, four hundred ten million, three hundred forty thousand, six hundred forty".