1301605232940 has 96 divisors (see below), whose sum is σ = 4085274432960. Its totient is φ = 344023077888.

The previous prime is 1301605232903. The next prime is 1301605232957. The reversal of 1301605232940 is 492325061031.

1301605232940 is a `hidden beast` number, since 1 + 3 + 0 + 1 + 605 + 2 + 3 + 2 + 9 + 40 = 666.

It is a super-2 number, since 2×1301605232940² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1301605232895 and 1301605232904.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10604379 + ... + 10726418.

It is an arithmetic number, because the mean of its divisors is an integer number (42554942010).

Almost surely, 2^{1301605232940} is an apocalyptic number.

1301605232940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1301605232940 is an abundant number, since it is smaller than the sum of its proper divisors (2783669200020).

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

1301605232940 is a wasteful number, since it uses less digits than its factorization.

1301605232940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21330928 (or 21330920 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The spelling of 1301605232940 in words is "one trillion, three hundred one billion, six hundred five million, two hundred thirty-two thousand, nine hundred forty".