453149243280 has 240 divisors, whose sum is σ = 1612010574720. Its totient is φ = 113684631552.

The previous prime is 453149243237. The next prime is 453149243293. The reversal of 453149243280 is 82342941354.

453149243280 is a `hidden beast` number, since 4 + 5 + 314 + 9 + 2 + 4 + 328 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 36946429 + ... + 36958691.

It is an arithmetic number, because the mean of its divisors is an integer number (6716710728).

Almost surely, 2^453149243280 is an apocalyptic number.

453149243280 is a gapful number since it is divisible by the number (40) 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 453149243280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (806005287360).

453149243280 is an abundant number, since it is smaller than the sum of its proper divisors (1158861331440).

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

453149243280 is a wasteful number, since it uses less digits than its factorization.

453149243280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15318 (or 15309 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The spelling of 453149243280 in words is "four hundred fifty-three billion, one hundred forty-nine million, two hundred forty-three thousand, two hundred eighty".