440025001042 has 16 divisors (see below), whose sum is σ = 744869908800. Its totient is φ = 193114420240.

The previous prime is 440025001021. The next prime is 440025001057. The reversal of 440025001042 is 240100520044.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 344846542 + ... + 344847817.

It is an arithmetic number, because the mean of its divisors is an integer number (46554369300).

Almost surely, 2^440025001042 is an apocalyptic number.

440025001042 is a deficient number, since it is larger than the sum of its proper divisors (304844907758).

440025001042 is a wasteful number, since it uses less digits than its factorization.

440025001042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689694401.

The product of its (nonzero) digits is 1280, while the sum is 22.

Adding to 440025001042 its reverse (240100520044), we get a palindrome (680125521086).

The spelling of 440025001042 in words is "four hundred forty billion, twenty-five million, one thousand, forty-two".