1054403456 has 16 divisors (see below), whose sum is σ = 2100569640. Its totient is φ = 527201664.

The previous prime is 1054403443. The next prime is 1054403491. The reversal of 1054403456 is 6543044501.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×1054403456² = 2223533296049487872, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4118636 + ... + 4118891.

Almost surely, 2^1054403456 is an apocalyptic number.

1054403456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1054403456 is a deficient number, since it is larger than the sum of its proper divisors (1046166184).

1054403456 is an frugal number, since it uses more digits than its factorization.

1054403456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8237541 (or 8237529 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 1054403456 is about 32471.5792039747. The cubic root of 1054403456 is about 1017.8152185771.

Adding to 1054403456 its reverse (6543044501), we get a palindrome (7597447957).

The spelling of 1054403456 in words is "one billion, fifty-four million, four hundred three thousand, four hundred fifty-six".