445514404413 has 32 divisors (see below), whose sum is σ = 659445494400. Its totient is φ = 265761029376.

The previous prime is 445514404399. The next prime is 445514404421. The reversal of 445514404413 is 314404415544.

It is not a de Polignac number, because 445514404413 - 2⁵ = 445514404381 is a prime.

It is a super-2 number, since 2×445514404413² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445514404453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 185703 + ... + 962036.

It is an arithmetic number, because the mean of its divisors is an integer number (20607671700).

Almost surely, 2^445514404413 is an apocalyptic number.

It is an amenable number.

445514404413 is a deficient number, since it is larger than the sum of its proper divisors (213931089987).

445514404413 is a wasteful number, since it uses less digits than its factorization.

445514404413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1148061.

The product of its (nonzero) digits is 307200, while the sum is 39.

Adding to 445514404413 its reverse (314404415544), we get a palindrome (759918819957).

The spelling of 445514404413 in words is "four hundred forty-five billion, five hundred fourteen million, four hundred four thousand, four hundred thirteen".