1440034642556 has 12 divisors (see below), whose sum is σ = 2573678935968. Its totient is φ = 704697803712.

The previous prime is 1440034642549. The next prime is 1440034642583. The reversal of 1440034642556 is 6552464300441.

It is a super-2 number, since 2×1440034642556² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3829879181 + ... + 3829879556.

It is an arithmetic number, because the mean of its divisors is an integer number (214473244664).

Almost surely, 2^{1440034642556} is an apocalyptic number.

It is an amenable number.

1440034642556 is a deficient number, since it is larger than the sum of its proper divisors (1133644293412).

1440034642556 is a wasteful number, since it uses less digits than its factorization.

1440034642556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7659758788 (or 7659758786 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 44.

Adding to 1440034642556 its reverse (6552464300441), we get a palindrome (7992498942997).

The spelling of 1440034642556 in words is "one trillion, four hundred forty billion, thirty-four million, six hundred forty-two thousand, five hundred fifty-six".