1400120011444 has 36 divisors (see below), whose sum is σ = 3077949784672. Its totient is φ = 545501301840.

The previous prime is 1400120011417. The next prime is 1400120011463. The reversal of 1400120011444 is 4441100210041.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 206625894 + ... + 206632669.

Almost surely, 2^{1400120011444} is an apocalyptic number.

1400120011444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1400120011444 is an abundant number, since it is smaller than the sum of its proper divisors (1677829773228).

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

1400120011444 is a wasteful number, since it uses less digits than its factorization.

1400120011444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413258596 (or 413258583 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 1400120011444 its reverse (4441100210041), we get a palindrome (5841220221485).

The spelling of 1400120011444 in words is "one trillion, four hundred billion, one hundred twenty million, eleven thousand, four hundred forty-four".