1057644614 has 32 divisors (see below), whose sum is σ = 1810620000. Its totient is φ = 459316224.

The previous prime is 1057644611. The next prime is 1057644617. The reversal of 1057644614 is 4164467501.

It is an interprime number because it is at equal distance from previous prime (1057644611) and next prime (1057644617).

It is a super-2 number, since 2×1057644614² = 2237224259046417992, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057644611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66422 + ... + 80790.

It is an arithmetic number, because the mean of its divisors is an integer number (56581875).

Almost surely, 2^1057644614 is an apocalyptic number.

1057644614 is a deficient number, since it is larger than the sum of its proper divisors (752975386).

1057644614 is a wasteful number, since it uses less digits than its factorization.

1057644614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14552.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 1057644614 is about 32521.4485224751. The cubic root of 1057644614 is about 1018.8570479606.

The spelling of 1057644614 in words is "one billion, fifty-seven million, six hundred forty-four thousand, six hundred fourteen".