452442752540642 has 8 divisors (see below), whose sum is σ = 691469112373596. Its totient is φ = 221953048416112.

The previous prime is 452442752540543. The next prime is 452442752540651. The reversal of 452442752540642 is 246045257244254.

It can be written as a sum of positive squares in 2 ways, for example, as 443356862593681 + 9085889946961 = 21056041^2 + 3014281^2 .

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

It is a super-2 number, since 2×452442752540642² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2134163926973 + ... + 2134163927184.

Almost surely, 2^{452442752540642} is an apocalyptic number.

452442752540642 is a deficient number, since it is larger than the sum of its proper divisors (239026359832954).

452442752540642 is a wasteful number, since it uses less digits than its factorization.

452442752540642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4268327854212.

The product of its (nonzero) digits is 86016000, while the sum is 56.

The spelling of 452442752540642 in words is "four hundred fifty-two trillion, four hundred forty-two billion, seven hundred fifty-two million, five hundred forty thousand, six hundred forty-two".