455247380 has 24 divisors (see below), whose sum is σ = 1092594048. Its totient is φ = 156084768.

The previous prime is 455247361. The next prime is 455247383. The reversal of 455247380 is 83742554.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455247383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1625744 + ... + 1626023.

It is an arithmetic number, because the mean of its divisors is an integer number (45524752).

Almost surely, 2^455247380 is an apocalyptic number.

It is an amenable number.

455247380 is an abundant number, since it is smaller than the sum of its proper divisors (637346668).

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

455247380 is a wasteful number, since it uses less digits than its factorization.

455247380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3251783 (or 3251781 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 38.

The square root of 455247380 is about 21336.5268963812. The cubic root of 455247380 is about 769.2765341644.

It can be divided in two parts, 45 and 5247380, that added together give a palindrome (5247425).

The spelling of 455247380 in words is "four hundred fifty-five million, two hundred forty-seven thousand, three hundred eighty".