1452215240 has 32 divisors (see below), whose sum is σ = 3734268480. Its totient is φ = 497902272.

The previous prime is 1452215213. The next prime is 1452215273. The reversal of 1452215240 is 425122541.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2592962 + ... + 2593521.

It is an arithmetic number, because the mean of its divisors is an integer number (116695890).

Almost surely, 2^1452215240 is an apocalyptic number.

1452215240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1452215240 is an abundant number, since it is smaller than the sum of its proper divisors (2282053240).

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

1452215240 is a wasteful number, since it uses less digits than its factorization.

1452215240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5186501 (or 5186497 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 1452215240 is about 38107.9419544011. The cubic root of 1452215240 is about 1132.4272985539.

Adding to 1452215240 its reverse (425122541), we get a palindrome (1877337781).

The spelling of 1452215240 in words is "one billion, four hundred fifty-two million, two hundred fifteen thousand, two hundred forty".