1054064440 has 128 divisors (see below), whose sum is σ = 2810142720. Its totient is φ = 350784000.

The previous prime is 1054064423. The next prime is 1054064443. The reversal of 1054064440 is 444604501.

It is a super-2 number, since 2×1054064440² = 2222103687345027200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1054064399 and 1054064408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1054064443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 725715 + ... + 727165.

It is an arithmetic number, because the mean of its divisors is an integer number (21954240).

Almost surely, 2^1054064440 is an apocalyptic number.

1054064440 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 1054064440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1405071360).

1054064440 is an abundant number, since it is smaller than the sum of its proper divisors (1756078280).

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

1054064440 is a wasteful number, since it uses less digits than its factorization.

1054064440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1613 (or 1609 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 1054064440 is about 32466.3585885452. The cubic root of 1054064440 is about 1017.7061228826.

Adding to 1054064440 its reverse (444604501), we get a palindrome (1498668941).

The spelling of 1054064440 in words is "one billion, fifty-four million, sixty-four thousand, four hundred forty".