440030145400 has 48 divisors (see below), whose sum is σ = 1083250689840. Its totient is φ = 165658406400.

The previous prime is 440030145397. The next prime is 440030145407. The reversal of 440030145400 is 4541030044.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440030145407) 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 11 ways as a sum of consecutive naturals, for example, 64706916 + ... + 64713715.

It is an arithmetic number, because the mean of its divisors is an integer number (22567722705).

Almost surely, 2^440030145400 is an apocalyptic number.

440030145400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

440030145400 is an abundant number, since it is smaller than the sum of its proper divisors (643220544440).

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

440030145400 is a wasteful number, since it uses less digits than its factorization.

440030145400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129420664 (or 129420655 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 440030145400 its reverse (4541030044), we get a palindrome (444571175444).

The spelling of 440030145400 in words is "four hundred forty billion, thirty million, one hundred forty-five thousand, four hundred".