1054805440 has 112 divisors (see below), whose sum is σ = 2719315872. Its totient is φ = 387403776.

The previous prime is 1054805413. The next prime is 1054805447. The reversal of 1054805440 is 445084501.

It is a super-2 number, since 2×1054805440² = 2225229032507187200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1054805447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 943762 + ... + 944878.

It is an arithmetic number, because the mean of its divisors is an integer number (24279606).

Almost surely, 2^1054805440 is an apocalyptic number.

1054805440 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 1054805440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1359657936).

1054805440 is an abundant number, since it is smaller than the sum of its proper divisors (1664510432).

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

1054805440 is a wasteful number, since it uses less digits than its factorization.

1054805440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1374 (or 1364 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 31.

The square root of 1054805440 is about 32477.7683962430. The cubic root of 1054805440 is about 1017.9445471394.

Adding to 1054805440 its reverse (445084501), we get a palindrome (1499889941).

The spelling of 1054805440 in words is "one billion, fifty-four million, eight hundred five thousand, four hundred forty".