1400444143112 has 64 divisors (see below), whose sum is σ = 3106785784320. Its totient is φ = 579373406208.

The previous prime is 1400444142991. The next prime is 1400444143129. The reversal of 1400444143112 is 2113414440041.

It is a happy number.

It is a super-2 number, since 2×1400444143112² (a number of 25 digits) contains 22 as substring.

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, 3452273 + ... + 3836544.

It is an arithmetic number, because the mean of its divisors is an integer number (48543527880).

Almost surely, 2^{1400444143112} is an apocalyptic number.

It is an amenable number.

1400444143112 is an abundant number, since it is smaller than the sum of its proper divisors (1706341641208).

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

1400444143112 is a wasteful number, since it uses less digits than its factorization.

1400444143112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7288950 (or 7288946 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 1400444143112 its reverse (2113414440041), we get a palindrome (3513858583153).

The spelling of 1400444143112 in words is "one trillion, four hundred billion, four hundred forty-four million, one hundred forty-three thousand, one hundred twelve".