7057357644 has 24 divisors (see below), whose sum is σ = 17333861440. Its totient is φ = 2228639184.

The previous prime is 7057357631. The next prime is 7057357687. The reversal of 7057357644 is 4467537507.

It is a junction number, because it is equal to n+sod(n) for n = 7057357593 and 7057357602.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 15476434 + ... + 15476889.

Almost surely, 2^7057357644 is an apocalyptic number.

It is an amenable number.

7057357644 is an abundant number, since it is smaller than the sum of its proper divisors (10276503796).

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

7057357644 is a wasteful number, since it uses less digits than its factorization.

7057357644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30953349 (or 30953347 counting only the distinct ones).

The product of its (nonzero) digits is 2469600, while the sum is 48.

The square root of 7057357644 is about 84008.0808255968. The cubic root of 7057357644 is about 1918.1417970203.

The spelling of 7057357644 in words is "seven billion, fifty-seven million, three hundred fifty-seven thousand, six hundred forty-four".