441861672421477 has 16 divisors (see below), whose sum is σ = 556346855654784. Its totient is φ = 340898808600000.

The previous prime is 441861672421471. The next prime is 441861672421567. The reversal of 441861672421477 is 774124276168144.

It is not a de Polignac number, because 441861672421477 - 2³⁵ = 441827312683109 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 (441861672421471) 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, 28408226274 + ... + 28408241827.

It is an arithmetic number, because the mean of its divisors is an integer number (34771678478424).

Almost surely, 2^{441861672421477} is an apocalyptic number.

It is an amenable number.

441861672421477 is a deficient number, since it is larger than the sum of its proper divisors (114485183233307).

441861672421477 is a wasteful number, since it uses less digits than its factorization.

441861672421477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56816468220.

The product of its digits is 101154816, while the sum is 64.

The spelling of 441861672421477 in words is "four hundred forty-one trillion, eight hundred sixty-one billion, six hundred seventy-two million, four hundred twenty-one thousand, four hundred seventy-seven".