1046557456 has 80 divisors (see below), whose sum is σ = 2355634944. Its totient is φ = 441188352.

The previous prime is 1046557453. The next prime is 1046557459. The reversal of 1046557456 is 6547556401.

It is an interprime number because it is at equal distance from previous prime (1046557453) and next prime (1046557459).

It is not an unprimeable number, because it can be changed into a prime (1046557453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2964576 + ... + 2964928.

Almost surely, 2^1046557456 is an apocalyptic number.

1046557456 is a gapful number since it is divisible by the number (16) 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 1046557456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1177817472).

1046557456 is an abundant number, since it is smaller than the sum of its proper divisors (1309077488).

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

1046557456 is a wasteful number, since it uses less digits than its factorization.

1046557456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728 (or 722 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 43.

The square root of 1046557456 is about 32350.5402736956. The cubic root of 1046557456 is about 1015.2843504325.

The spelling of 1046557456 in words is "one billion, forty-six million, five hundred fifty-seven thousand, four hundred fifty-six".