1361202573240 has 192 divisors, whose sum is σ = 4588534510560. Its totient is φ = 362925826560.

The previous prime is 1361202573233. The next prime is 1361202573253. The reversal of 1361202573240 is 423752021631.

1361202573240 is a `hidden beast` number, since 1 + 3 + 61 + 2 + 0 + 2 + 573 + 24 + 0 = 666.

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 = 1361202573195 and 1361202573204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 106495650 + ... + 106508430.

Almost surely, 2^{1361202573240} is an apocalyptic number.

1361202573240 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 1361202573240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2294267255280).

1361202573240 is an abundant number, since it is smaller than the sum of its proper divisors (3227331937320).

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

1361202573240 is a wasteful number, since it uses less digits than its factorization.

1361202573240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23764 (or 23748 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

Adding to 1361202573240 its reverse (423752021631), we get a palindrome (1784954594871).

The spelling of 1361202573240 in words is "one trillion, three hundred sixty-one billion, two hundred two million, five hundred seventy-three thousand, two hundred forty".