1449979432 has 128 divisors (see below), whose sum is σ = 3220197120. Its totient is φ = 605440000.

The previous prime is 1449979429. The next prime is 1449979441. The reversal of 1449979432 is 2349799441.

It is a self number, because there is not a number n which added to its sum of digits gives 1449979432.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8381298 + ... + 8381470.

It is an arithmetic number, because the mean of its divisors is an integer number (25157790).

Almost surely, 2^1449979432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1449979432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1610098560).

1449979432 is an abundant number, since it is smaller than the sum of its proper divisors (1770217688).

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

1449979432 is a wasteful number, since it uses less digits than its factorization.

1449979432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355 (or 351 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 52.

The square root of 1449979432 is about 38078.5954572907. The cubic root of 1449979432 is about 1131.8458442330.

Subtracting 1449979432 from its reverse (2349799441), we obtain a square (899820009 = 29997²).

The spelling of 1449979432 in words is "one billion, four hundred forty-nine million, nine hundred seventy-nine thousand, four hundred thirty-two".