445553430040 has 64 divisors (see below), whose sum is σ = 1014783840000. Its totient is φ = 176049624960.

The previous prime is 445553430019. The next prime is 445553430041. The reversal of 445553430040 is 40034355544.

It is a super-3 number, since 3×445553430040³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445553430041) 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, 905095 + ... + 1307785.

It is an arithmetic number, because the mean of its divisors is an integer number (15855997500).

Almost surely, 2^445553430040 is an apocalyptic number.

445553430040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

445553430040 is an abundant number, since it is smaller than the sum of its proper divisors (569230409960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

445553430040 is a wasteful number, since it uses less digits than its factorization.

445553430040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403040 (or 403036 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 37.

Adding to 445553430040 its reverse (40034355544), we get a palindrome (485587785584).

The spelling of 445553430040 in words is "four hundred forty-five billion, five hundred fifty-three million, four hundred thirty thousand, forty".