1451505340 has 48 divisors (see below), whose sum is σ = 3106071360. Its totient is φ = 569676800.

The previous prime is 1451505313. The next prime is 1451505347. The reversal of 1451505340 is 435051541.

It is a junction number, because it is equal to n+sod(n) for n = 1451505299 and 1451505308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1451505347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225081 + ... + 231439.

It is an arithmetic number, because the mean of its divisors is an integer number (64709820).

Almost surely, 2^1451505340 is an apocalyptic number.

1451505340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1451505340 is an abundant number, since it is smaller than the sum of its proper divisors (1654566020).

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

1451505340 is a wasteful number, since it uses less digits than its factorization.

1451505340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6582 (or 6580 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 1451505340 is about 38098.6264844285. The cubic root of 1451505340 is about 1132.2427434579.

Adding to 1451505340 its reverse (435051541), we get a palindrome (1886556881).

The spelling of 1451505340 in words is "one billion, four hundred fifty-one million, five hundred five thousand, three hundred forty".