1057269940456 has 8 divisors (see below), whose sum is σ = 1982381138370. Its totient is φ = 528634970224.

The previous prime is 1057269940421. The next prime is 1057269940469. The reversal of 1057269940456 is 6540499627501.

It can be written as a sum of positive squares in only one way, i.e., 743820002500 + 313449937956 = 862450^2 + 559866^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1057269940456² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1057269940456.

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 as a sum of consecutive naturals, namely, 66079371271 + ... + 66079371286.

Almost surely, 2^{1057269940456} is an apocalyptic number.

It is an amenable number.

1057269940456 is a deficient number, since it is larger than the sum of its proper divisors (925111197914).

1057269940456 is a wasteful number, since it uses less digits than its factorization.

1057269940456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132158742563 (or 132158742559 counting only the distinct ones).

The product of its (nonzero) digits is 16329600, while the sum is 58.

The spelling of 1057269940456 in words is "one trillion, fifty-seven billion, two hundred sixty-nine million, nine hundred forty thousand, four hundred fifty-six".