1046449880 has 96 divisors (see below), whose sum is σ = 2748900240. Its totient is φ = 357477120.

The previous prime is 1046449853. The next prime is 1046449907. The reversal of 1046449880 is 889446401.

It is an interprime number because it is at equal distance from previous prime (1046449853) and next prime (1046449907).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 647954 + ... + 649566.

Almost surely, 2^1046449880 is an apocalyptic number.

1046449880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1046449880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1374450120).

1046449880 is an abundant number, since it is smaller than the sum of its proper divisors (1702450360).

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

1046449880 is a wasteful number, since it uses less digits than its factorization.

1046449880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1969 (or 1958 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 44.

The square root of 1046449880 is about 32348.8775693995. The cubic root of 1046449880 is about 1015.2495620983.

The spelling of 1046449880 in words is "one billion, forty-six million, four hundred forty-nine thousand, eight hundred eighty".