445429177407 has 40 divisors (see below), whose sum is σ = 669327683024. Its totient is φ = 295199603712.

The previous prime is 445429177387. The next prime is 445429177411. The reversal of 445429177407 is 704771924544.

445429177407 is a `hidden beast` number, since 4 + 4 + 5 + 429 + 177 + 40 + 7 = 666.

It is not a de Polignac number, because 445429177407 - 2⁷ = 445429177279 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 (445429177507) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 23174133 + ... + 23193345.

Almost surely, 2^445429177407 is an apocalyptic number.

445429177407 is a deficient number, since it is larger than the sum of its proper divisors (223898505617).

445429177407 is a wasteful number, since it uses less digits than its factorization.

445429177407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20901 (or 20892 counting only the distinct ones).

The product of its (nonzero) digits is 7902720, while the sum is 54.

The spelling of 445429177407 in words is "four hundred forty-five billion, four hundred twenty-nine million, one hundred seventy-seven thousand, four hundred seven".