1440554554 has 16 divisors (see below), whose sum is σ = 2176403328. Its totient is φ = 715096512.

The previous prime is 1440554543. The next prime is 1440554569. The reversal of 1440554554 is 4554550441.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 421119 + ... + 424525.

It is an arithmetic number, because the mean of its divisors is an integer number (136025208).

Almost surely, 2^1440554554 is an apocalyptic number.

1440554554 is a deficient number, since it is larger than the sum of its proper divisors (735848774).

1440554554 is a wasteful number, since it uses less digits than its factorization.

1440554554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4869.

The product of its (nonzero) digits is 160000, while the sum is 37.

The square root of 1440554554 is about 37954.6381091956. The cubic root of 1440554554 is about 1129.3881758567.

The spelling of 1440554554 in words is "one billion, four hundred forty million, five hundred fifty-four thousand, five hundred fifty-four".