1400041144 has 32 divisors (see below), whose sum is σ = 2770318800. Its totient is φ = 661478400.

The previous prime is 1400041141. The next prime is 1400041151. The reversal of 1400041144 is 4411400041.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400041141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48744 + ... + 71944.

Almost surely, 2^1400041144 is an apocalyptic number.

It is an amenable number.

1400041144 is a deficient number, since it is larger than the sum of its proper divisors (1370277656).

1400041144 is a wasteful number, since it uses less digits than its factorization.

1400041144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23623 (or 23619 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1400041144 is about 37417.1236735268. The cubic root of 1400041144 is about 1118.6999008640.

Adding to 1400041144 its reverse (4411400041), we get a palindrome (5811441185).

The spelling of 1400041144 in words is "one billion, four hundred million, forty-one thousand, one hundred forty-four".