454211886492 has 144 divisors (see below), whose sum is σ = 1415179584000. Its totient is φ = 119616165504.

The previous prime is 454211886481. The next prime is 454211886599. The reversal of 454211886492 is 294688112454.

454211886492 is a `hidden beast` number, since 4 + 54 + 21 + 1 + 8 + 86 + 492 = 666.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 2136009 + ... + 2339007.

It is an arithmetic number, because the mean of its divisors is an integer number (9827636000).

Almost surely, 2^454211886492 is an apocalyptic number.

454211886492 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 454211886492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (707589792000).

454211886492 is an abundant number, since it is smaller than the sum of its proper divisors (960967697508).

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

454211886492 is a wasteful number, since it uses less digits than its factorization.

454211886492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203712 (or 203707 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 54.

It can be divided in two parts, 454211 and 886492, that added together give a triangular number (1340703 = T₁₆₃₇).

The spelling of 454211886492 in words is "four hundred fifty-four billion, two hundred eleven million, eight hundred eighty-six thousand, four hundred ninety-two".