454740400242 has 64 divisors (see below), whose sum is σ = 1027405209600. Its totient is φ = 149064786000.

The previous prime is 454740400241. The next prime is 454740400267. The reversal of 454740400242 is 242004047454.

454740400242 is a `hidden beast` number, since 4 + 5 + 4 + 7 + 4 + 0 + 400 + 242 = 666.

It is a super-2 number, since 2×454740400242² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 454740400197 and 454740400206.

It is not an unprimeable number, because it can be changed into a prime (454740400241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 858423 + ... + 1283109.

It is an arithmetic number, because the mean of its divisors is an integer number (16053206400).

Almost surely, 2^454740400242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 454740400242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (513702604800).

454740400242 is an abundant number, since it is smaller than the sum of its proper divisors (572664809358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

454740400242 is a wasteful number, since it uses less digits than its factorization.

454740400242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425028 (or 425022 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 36.

Adding to 454740400242 its reverse (242004047454), we get a palindrome (696744447696).

The spelling of 454740400242 in words is "four hundred fifty-four billion, seven hundred forty million, four hundred thousand, two hundred forty-two".