1350440612261 has 8 divisors (see below), whose sum is σ = 1459687160064. Its totient is φ = 1241960707440.

The previous prime is 1350440612177. The next prime is 1350440612303. The reversal of 1350440612261 is 1622160440531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1350440612261 - 2²⁶ = 1350373503397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1350440612561) by changing a digit.

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, 191657081 + ... + 191664126.

It is an arithmetic number, because the mean of its divisors is an integer number (182460895008).

Almost surely, 2^{1350440612261} is an apocalyptic number.

It is an amenable number.

1350440612261 is a deficient number, since it is larger than the sum of its proper divisors (109246547803).

1350440612261 is a wasteful number, since it uses less digits than its factorization.

1350440612261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383321491.

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 1350440612261 in words is "one trillion, three hundred fifty billion, four hundred forty million, six hundred twelve thousand, two hundred sixty-one".