1455204340 has 48 divisors (see below), whose sum is σ = 3175764480. Its totient is φ = 559440000.

The previous prime is 1455204313. The next prime is 1455204341. The reversal of 1455204340 is 434025541.

It is a junction number, because it is equal to n+sod(n) for n = 1455204299 and 1455204308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1455204341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123715 + ... + 134965.

It is an arithmetic number, because the mean of its divisors is an integer number (66161760).

Almost surely, 2^1455204340 is an apocalyptic number.

1455204340 is a gapful number since it is divisible by the number (10) 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 1455204340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1587882240).

1455204340 is an abundant number, since it is smaller than the sum of its proper divisors (1720560140).

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

1455204340 is a wasteful number, since it uses less digits than its factorization.

1455204340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11512 (or 11510 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 1455204340 is about 38147.1406530031. The cubic root of 1455204340 is about 1133.2037258554.

Adding to 1455204340 its reverse (434025541), we get a palindrome (1889229881).

The spelling of 1455204340 in words is "one billion, four hundred fifty-five million, two hundred four thousand, three hundred forty".