1057269940465 has 8 divisors (see below), whose sum is σ = 1268759202048. Its totient is φ = 845792436720.

The previous prime is 1057269940421. The next prime is 1057269940469. The reversal of 1057269940465 is 5640499627501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1057269940465 - 2²⁷ = 1057135722737 is a prime.

It is a super-2 number, since 2×1057269940465² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1057269940469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2740407 + ... + 3102316.

It is an arithmetic number, because the mean of its divisors is an integer number (158594900256).

Almost surely, 2^{1057269940465} is an apocalyptic number.

It is an amenable number.

1057269940465 is a deficient number, since it is larger than the sum of its proper divisors (211489261583).

1057269940465 is an equidigital number, since it uses as much as digits as its factorization.

1057269940465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5878919.

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

The spelling of 1057269940465 in words is "one trillion, fifty-seven billion, two hundred sixty-nine million, nine hundred forty thousand, four hundred sixty-five".