452449104991380 has 768 divisors, whose sum is σ = 1738014050304000. Its totient is φ = 95400546508800.

The previous prime is 452449104991357. The next prime is 452449104991427. The reversal of 452449104991380 is 83199401944254.

452449104991380 is a `hidden beast` number, since 4 + 5 + 2 + 4 + 4 + 9 + 1 + 0 + 499 + 138 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 1533999561 + ... + 1534294479.

It is an arithmetic number, because the mean of its divisors is an integer number (2263039128000).

Almost surely, 2^{452449104991380} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 452449104991380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (869007025152000).

452449104991380 is an abundant number, since it is smaller than the sum of its proper divisors (1285564945312620).

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

452449104991380 is a wasteful number, since it uses less digits than its factorization.

452449104991380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295525 (or 295517 counting only the distinct ones).

The product of its (nonzero) digits is 44789760, while the sum is 63.

The spelling of 452449104991380 in words is "four hundred fifty-two trillion, four hundred forty-nine billion, one hundred four million, nine hundred ninety-one thousand, three hundred eighty".