440205441252461 has 8 divisors (see below), whose sum is σ = 466103966432760. Its totient is φ = 414307370234368.

The previous prime is 440205441252449. The next prime is 440205441252481. The reversal of 440205441252461 is 164252144502044.

It can be written as a sum of positive squares in 4 ways, for example, as 243316134776836 + 196889306475625 = 15598594^2 + 14031725^2 .

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 440205441252461 - 2³⁸ = 439930563345517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440205441252481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111543986 + ... + 115423011.

It is an arithmetic number, because the mean of its divisors is an integer number (58262995804095).

Almost surely, 2^{440205441252461} is an apocalyptic number.

It is an amenable number.

440205441252461 is a deficient number, since it is larger than the sum of its proper divisors (25898525180299).

440205441252461 is a wasteful number, since it uses less digits than its factorization.

440205441252461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227081103.

The product of its (nonzero) digits is 1228800, while the sum is 44.

The spelling of 440205441252461 in words is "four hundred forty trillion, two hundred five billion, four hundred forty-one million, two hundred fifty-two thousand, four hundred sixty-one".