455232346240 has 128 divisors (see below), whose sum is σ = 1251392238720. Its totient is φ = 155121868800.

The previous prime is 455232346223. The next prime is 455232346259. The reversal of 455232346240 is 42643232554.

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

It is a hoax number, since the sum of its digits (40) 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 (40).

It is a junction number, because it is equal to n+sod(n) for n = 455232346193 and 455232346202.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 418540 + ... + 1041940.

It is an arithmetic number, because the mean of its divisors is an integer number (9776501865).

Almost surely, 2^455232346240 is an apocalyptic number.

455232346240 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 455232346240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (625696119360).

455232346240 is an abundant number, since it is smaller than the sum of its proper divisors (796159892480).

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

455232346240 is a wasteful number, since it uses less digits than its factorization.

455232346240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623590 (or 623578 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 40.

Adding to 455232346240 its reverse (42643232554), we get a palindrome (497875578794).

The spelling of 455232346240 in words is "four hundred fifty-five billion, two hundred thirty-two million, three hundred forty-six thousand, two hundred forty".