1400444044 has 12 divisors (see below), whose sum is σ = 2485295568. Its totient is φ = 690359600.

The previous prime is 1400444029. The next prime is 1400444047. The reversal of 1400444044 is 4404440041.

It is a happy number.

It is a super-2 number, since 2×1400444044² = 3922487040750147872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1400444047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2465287 + ... + 2465854.

It is an arithmetic number, because the mean of its divisors is an integer number (207107964).

Almost surely, 2^1400444044 is an apocalyptic number.

It is an amenable number.

1400444044 is a deficient number, since it is larger than the sum of its proper divisors (1084851524).

1400444044 is a wasteful number, since it uses less digits than its factorization.

1400444044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4931216 (or 4931214 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 25.

The square root of 1400444044 is about 37422.5071848480. The cubic root of 1400444044 is about 1118.8072027012.

Adding to 1400444044 its reverse (4404440041), we get a palindrome (5804884085).

The spelling of 1400444044 in words is "one billion, four hundred million, four hundred forty-four thousand, forty-four".