1439904552 has 16 divisors (see below), whose sum is σ = 3599761440. Its totient is φ = 479968176.

The previous prime is 1439904551. The next prime is 1439904559. The reversal of 1439904552 is 2554099341.

It is a super-3 number, since 3×1439904552³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1439904551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29997988 + ... + 29998035.

It is an arithmetic number, because the mean of its divisors is an integer number (224985090).

Almost surely, 2^1439904552 is an apocalyptic number.

1439904552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1439904552 is an abundant number, since it is smaller than the sum of its proper divisors (2159856888).

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

1439904552 is a wasteful number, since it uses less digits than its factorization.

1439904552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59996032 (or 59996028 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 42.

The square root of 1439904552 is about 37946.0742633543. The cubic root of 1439904552 is about 1129.2182841040.

The spelling of 1439904552 in words is "one billion, four hundred thirty-nine million, nine hundred four thousand, five hundred fifty-two".