440412544061 has 4 divisors (see below), whose sum is σ = 503328621792. Its totient is φ = 377496466332.

The previous prime is 440412544049. The next prime is 440412544141. The reversal of 440412544061 is 160445214044.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 440412544061 - 2⁶ = 440412543997 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 (440412544261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31458038855 + ... + 31458038868.

It is an arithmetic number, because the mean of its divisors is an integer number (125832155448).

Almost surely, 2^440412544061 is an apocalyptic number.

It is an amenable number.

440412544061 is a deficient number, since it is larger than the sum of its proper divisors (62916077731).

440412544061 is an equidigital number, since it uses as much as digits as its factorization.

440412544061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62916077730.

The product of its (nonzero) digits is 61440, while the sum is 35.

The spelling of 440412544061 in words is "four hundred forty billion, four hundred twelve million, five hundred forty-four thousand, sixty-one".