440551650521401 has 16 divisors (see below), whose sum is σ = 461809551305088. Its totient is φ = 419471018560000.

The previous prime is 440551650521393. The next prime is 440551650521419. The reversal of 440551650521401 is 104125056155044.

It is a cyclic number.

It is not a de Polignac number, because 440551650521401 - 2³ = 440551650521393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (440551650521431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12687730 + ... + 32281291.

It is an arithmetic number, because the mean of its divisors is an integer number (28863096956568).

Almost surely, 2^{440551650521401} is an apocalyptic number.

It is an amenable number.

440551650521401 is a deficient number, since it is larger than the sum of its proper divisors (21257900783687).

440551650521401 is a wasteful number, since it uses less digits than its factorization.

440551650521401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44970992.

The product of its (nonzero) digits is 480000, while the sum is 43.

The spelling of 440551650521401 in words is "four hundred forty trillion, five hundred fifty-one billion, six hundred fifty million, five hundred twenty-one thousand, four hundred one".