440312400102 has 16 divisors (see below), whose sum is σ = 897240363120. Its totient is φ = 144001539552.

The previous prime is 440312400053. The next prime is 440312400107. The reversal of 440312400102 is 201004213044.

It is a super-2 number, since 2×440312400102² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440312400107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 692314777 + ... + 692315412.

It is an arithmetic number, because the mean of its divisors is an integer number (56077522695).

Almost surely, 2^440312400102 is an apocalyptic number.

440312400102 is an abundant number, since it is smaller than the sum of its proper divisors (456927963018).

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

440312400102 is a wasteful number, since it uses less digits than its factorization.

440312400102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1384630247.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 440312400102 its reverse (201004213044), we get a palindrome (641316613146).

The spelling of 440312400102 in words is "four hundred forty billion, three hundred twelve million, four hundred thousand, one hundred two".