455420683980 has 120 divisors (see below), whose sum is σ = 1429055147520. Its totient is φ = 121412908800.

The previous prime is 455420683979. The next prime is 455420683987. The reversal of 455420683980 is 89386024554.

455420683980 is a `hidden beast` number, since 4 + 5 + 542 + 0 + 6 + 8 + 3 + 98 + 0 = 666.

It is a super-2 number, since 2×455420683980² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (455420683987) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 6329205 + ... + 6400755.

It is an arithmetic number, because the mean of its divisors is an integer number (11908792896).

Almost surely, 2^455420683980 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 455420683980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (714527573760).

455420683980 is an abundant number, since it is smaller than the sum of its proper divisors (973634463540).

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

455420683980 is a wasteful number, since it uses less digits than its factorization.

455420683980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75501 (or 75490 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 54.

The spelling of 455420683980 in words is "four hundred fifty-five billion, four hundred twenty million, six hundred eighty-three thousand, nine hundred eighty".