1440042654 has 8 divisors (see below), whose sum is σ = 2880085320. Its totient is φ = 480014216.

The previous prime is 1440042629. The next prime is 1440042683. The reversal of 1440042654 is 4562400441.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

1440042654 is an admirable number.

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, 120003549 + ... + 120003560.

It is an arithmetic number, because the mean of its divisors is an integer number (360010665).

Almost surely, 2^1440042654 is an apocalyptic number.

1440042654 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1440042654 is a wasteful number, since it uses less digits than its factorization.

1440042654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240007114.

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 1440042654 is about 37947.8939336559. The cubic root of 1440042654 is about 1129.2543842557.

The spelling of 1440042654 in words is "one billion, four hundred forty million, forty-two thousand, six hundred fifty-four".