1051344648 has 24 divisors (see below), whose sum is σ = 2847391950. Its totient is φ = 350448192.

The previous prime is 1051344647. The next prime is 1051344667. The reversal of 1051344648 is 8464431501.

1051344648 is a `hidden beast` number, since 1 + 0 + 5 + 1 + 3 + 4 + 4 + 648 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1000963044 + 50381604 = 31638^2 + 7098^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×1051344648² = 2210651137756487808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1051344647) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7300933 + ... + 7301076.

Almost surely, 2^1051344648 is an apocalyptic number.

1051344648 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1051344648 is an abundant number, since it is smaller than the sum of its proper divisors (1796047302).

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

1051344648 is a wasteful number, since it uses less digits than its factorization.

1051344648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14602021 (or 14602014 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 1051344648 is about 32424.4452227020. The cubic root of 1051344648 is about 1016.8300432716.

The spelling of 1051344648 in words is "one billion, fifty-one million, three hundred forty-four thousand, six hundred forty-eight".