452962778940 has 288 divisors, whose sum is σ = 1699765724160. Its totient is φ = 98084877696.

The previous prime is 452962778923. The next prime is 452962778963. The reversal of 452962778940 is 49877269254.

452962778940 is a `hidden beast` number, since 4 + 529 + 6 + 27 + 7 + 89 + 4 + 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 95 ways as a sum of consecutive naturals, for example, 1198609 + ... + 1530551.

It is an arithmetic number, because the mean of its divisors is an integer number (5901964320).

Almost surely, 2^452962778940 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 452962778940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (849882862080).

452962778940 is an abundant number, since it is smaller than the sum of its proper divisors (1246802945220).

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

452962778940 is a wasteful number, since it uses less digits than its factorization.

452962778940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332006 (or 331979 counting only the distinct ones).

The product of its (nonzero) digits is 60963840, while the sum is 63.

The spelling of 452962778940 in words is "four hundred fifty-two billion, nine hundred sixty-two million, seven hundred seventy-eight thousand, nine hundred forty".