452120615040 has 128 divisors (see below), whose sum is σ = 1459377158400. Its totient is φ = 119039311872.

The previous prime is 452120614999. The next prime is 452120615041. The reversal of 452120615040 is 40516021254.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 452120614989 and 452120615007.

It is not an unprimeable number, because it can be changed into a prime (452120615041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1338697 + ... + 1642056.

It is an arithmetic number, because the mean of its divisors is an integer number (11401384050).

Almost surely, 2^452120615040 is an apocalyptic number.

452120615040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

452120615040 is an abundant number, since it is smaller than the sum of its proper divisors (1007256543360).

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

452120615040 is a wasteful number, since it uses less digits than its factorization.

452120615040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2980854 (or 2980842 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 452120615040 its reverse (40516021254), we get a palindrome (492636636294).

The spelling of 452120615040 in words is "four hundred fifty-two billion, one hundred twenty million, six hundred fifteen thousand, forty".