1400014044 has 360 divisors, whose sum is σ = 4504237584. Its totient is φ = 376358400.

The previous prime is 1400014019. The next prime is 1400014061. The reversal of 1400014044 is 4404100041.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 20895699 + ... + 20895765.

Almost surely, 2^1400014044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1400014044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2252118792).

1400014044 is an abundant number, since it is smaller than the sum of its proper divisors (3104223540).

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

1400014044 is a wasteful number, since it uses less digits than its factorization.

1400014044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 1400014044 is about 37416.7615381128. The cubic root of 1400014044 is about 1118.6926827516.

Adding to 1400014044 its reverse (4404100041), we get a palindrome (5804114085).

The spelling of 1400014044 in words is "one billion, four hundred million, fourteen thousand, forty-four".