455521340 has 24 divisors (see below), whose sum is σ = 957006960. Its totient is φ = 182130048.

The previous prime is 455521331. The next prime is 455521349. The reversal of 455521340 is 43125554.

It is an interprime number because it is at equal distance from previous prime (455521331) and next prime (455521349).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455521349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72359 + ... + 78401.

It is an arithmetic number, because the mean of its divisors is an integer number (39875290).

Almost surely, 2^455521340 is an apocalyptic number.

It is an amenable number.

455521340 is an abundant number, since it is smaller than the sum of its proper divisors (501485620).

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

455521340 is a wasteful number, since it uses less digits than its factorization.

455521340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9821 (or 9819 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 455521340 is about 21342.9459072547. The cubic root of 455521340 is about 769.4308156585.

Adding to 455521340 its reverse (43125554), we get a palindrome (498646894).

The spelling of 455521340 in words is "four hundred fifty-five million, five hundred twenty-one thousand, three hundred forty".