1489426320 has 40 divisors (see below), whose sum is σ = 4617222336. Its totient is φ = 397180288.

The previous prime is 1489426297. The next prime is 1489426327. The reversal of 1489426320 is 236249841.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1489426327) 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, 3102732 + ... + 3103211.

Almost surely, 2^1489426320 is an apocalyptic number.

1489426320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1489426320 is an abundant number, since it is smaller than the sum of its proper divisors (3127796016).

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

1489426320 is a wasteful number, since it uses less digits than its factorization.

1489426320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6205959 (or 6205953 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 1489426320 is about 38593.0864274937. The cubic root of 1489426320 is about 1142.0181548923.

It can be divided in two parts, 14894 and 26320, that added together give a palindrome (41214).

The spelling of 1489426320 in words is "one billion, four hundred eighty-nine million, four hundred twenty-six thousand, three hundred twenty".