440235023430 has 32 divisors (see below), whose sum is σ = 1057360356864. Its totient is φ = 117307528416.

The previous prime is 440235023411. The next prime is 440235023471. The reversal of 440235023430 is 34320532044.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5489392 + ... + 5569011.

It is an arithmetic number, because the mean of its divisors is an integer number (33042511152).

Almost surely, 2^440235023430 is an apocalyptic number.

440235023430 is an abundant number, since it is smaller than the sum of its proper divisors (617125333434).

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

440235023430 is a wasteful number, since it uses less digits than its factorization.

440235023430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11059740.

The product of its (nonzero) digits is 34560, while the sum is 30.

Adding to 440235023430 its reverse (34320532044), we get a palindrome (474555555474).

The spelling of 440235023430 in words is "four hundred forty billion, two hundred thirty-five million, twenty-three thousand, four hundred thirty".