1440312212404 has 48 divisors (see below), whose sum is σ = 2934523916800. Its totient is φ = 612751257216.

The previous prime is 1440312212399. The next prime is 1440312212459. The reversal of 1440312212404 is 4042122130441.

It is a super-2 number, since 2×1440312212404² (a number of 25 digits) contains 22 as substring.

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, 19663524 + ... + 19736635.

Almost surely, 2^{1440312212404} is an apocalyptic number.

It is an amenable number.

1440312212404 is an abundant number, since it is smaller than the sum of its proper divisors (1494211704396).

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

1440312212404 is a wasteful number, since it uses less digits than its factorization.

1440312212404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39400232 (or 39400230 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 1440312212404 its reverse (4042122130441), we get a palindrome (5482434342845).

The spelling of 1440312212404 in words is "one trillion, four hundred forty billion, three hundred twelve million, two hundred twelve thousand, four hundred four".