454552717640 has 64 divisors (see below), whose sum is σ = 1186295414400. Its totient is φ = 153520570368.

The previous prime is 454552717631. The next prime is 454552717649. The reversal of 454552717640 is 46717255454.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (454552717631) and next prime (454552717649).

It is a super-2 number, since 2×454552717640² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (454552717649) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 12096185 + ... + 12133704.

It is an arithmetic number, because the mean of its divisors is an integer number (18535865850).

Almost surely, 2^454552717640 is an apocalyptic number.

454552717640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

454552717640 is an abundant number, since it is smaller than the sum of its proper divisors (731742696760).

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

454552717640 is a wasteful number, since it uses less digits than its factorization.

454552717640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24229974 (or 24229970 counting only the distinct ones).

The product of its (nonzero) digits is 4704000, while the sum is 50.

The spelling of 454552717640 in words is "four hundred fifty-four billion, five hundred fifty-two million, seven hundred seventeen thousand, six hundred forty".