1361625243240 has 64 divisors (see below), whose sum is σ = 4085374852800. Its totient is φ = 363055698432.

The previous prime is 1361625243193. The next prime is 1361625243257. The reversal of 1361625243240 is 423425261631.

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 15 ways as a sum of consecutive naturals, for example, 298851 + ... + 1677069.

It is an arithmetic number, because the mean of its divisors is an integer number (63833982075).

Almost surely, 2^{1361625243240} is an apocalyptic number.

1361625243240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1361625243240 is an abundant number, since it is smaller than the sum of its proper divisors (2723749609560).

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

1361625243240 is a wasteful number, since it uses less digits than its factorization.

1361625243240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1386466 (or 1386462 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 39.

The spelling of 1361625243240 in words is "one trillion, three hundred sixty-one billion, six hundred twenty-five million, two hundred forty-three thousand, two hundred forty".