452778693696 has 420 divisors, whose sum is σ = 1586958511116. Its totient is φ = 127240243200.

The previous prime is 452778693691. The next prime is 452778693733. The reversal of 452778693696 is 696396877254.

452778693696 is a `hidden beast` number, since 4 + 527 + 7 + 8 + 6 + 9 + 3 + 6 + 96 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 12859560000 + 439919133696 = 113400^2 + 663264^2 .

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (452778693691) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 15480366 + ... + 15509586.

Almost surely, 2^452778693696 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 452778693696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (793479255558).

452778693696 is an abundant number, since it is smaller than the sum of its proper divisors (1134179817420).

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

452778693696 is a wasteful number, since it uses less digits than its factorization.

452778693696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29320 (or 29294 counting only the distinct ones).

The product of its digits is 823011840, while the sum is 72.

The spelling of 452778693696 in words is "four hundred fifty-two billion, seven hundred seventy-eight million, six hundred ninety-three thousand, six hundred ninety-six".