1301098266340 has 72 divisors (see below), whose sum is σ = 2830574538792. Its totient is φ = 502350750720.

The previous prime is 1301098266319. The next prime is 1301098266371. The reversal of 1301098266340 is 436628901031.

It can be written as a sum of positive squares in 12 ways, for example, as 445014404836 + 856083861504 = 667094^2 + 925248^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74352472 + ... + 74369968.

It is an arithmetic number, because the mean of its divisors is an integer number (39313535261).

Almost surely, 2^{1301098266340} is an apocalyptic number.

1301098266340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1301098266340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1415287269396).

1301098266340 is an abundant number, since it is smaller than the sum of its proper divisors (1529476272452).

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

1301098266340 is a wasteful number, since it uses less digits than its factorization.

1301098266340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21985 (or 21954 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 43.

The spelling of 1301098266340 in words is "one trillion, three hundred one billion, ninety-eight million, two hundred sixty-six thousand, three hundred forty".