1400111040 has 112 divisors (see below), whose sum is σ = 4518416160. Its totient is φ = 367226880.

The previous prime is 1400111029. The next prime is 1400111107. The reversal of 1400111040 is 401110041.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46606 + ... + 70514.

Almost surely, 2^1400111040 is an apocalyptic number.

1400111040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1400111040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2259208080).

1400111040 is an abundant number, since it is smaller than the sum of its proper divisors (3118305120).

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

1400111040 is a wasteful number, since it uses less digits than its factorization.

1400111040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23990 (or 23980 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1400111040 is about 37418.0576727334. The cubic root of 1400111040 is about 1118.7185173043.

Adding to 1400111040 its reverse (401110041), we get a palindrome (1801221081).

Subtracting from 1400111040 its reverse (401110041), we obtain a palindrome (999000999).

The spelling of 1400111040 in words is "one billion, four hundred million, one hundred eleven thousand, forty".