454640073757 has 8 divisors (see below), whose sum is σ = 468966637400. Its totient is φ = 440420825664.

The previous prime is 454640073739. The next prime is 454640073799. The reversal of 454640073757 is 757370046454.

It can be written as a sum of positive squares in 4 ways, for example, as 378890722681 + 75749351076 = 615541^2 + 275226^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-454640073757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454640073707) 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, 26820282 + ... + 26837227.

It is an arithmetic number, because the mean of its divisors is an integer number (58620829675).

Almost surely, 2^454640073757 is an apocalyptic number.

It is an amenable number.

454640073757 is a deficient number, since it is larger than the sum of its proper divisors (14326563643).

454640073757 is a wasteful number, since it uses less digits than its factorization.

454640073757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53657775.

The product of its (nonzero) digits is 9878400, while the sum is 52.

The spelling of 454640073757 in words is "four hundred fifty-four billion, six hundred forty million, seventy-three thousand, seven hundred fifty-seven".