1452288420 has 96 divisors (see below), whose sum is σ = 4928999040. Its totient is φ = 352068480.

The previous prime is 1452288377. The next prime is 1452288421. The reversal of 1452288420 is 248822541.

1452288420 is a `hidden beast` number, since 1 + 4 + 5 + 228 + 8 + 420 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1452288421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 116307 + ... + 128186.

It is an arithmetic number, because the mean of its divisors is an integer number (51343740).

Almost surely, 2^1452288420 is an apocalyptic number.

1452288420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1452288420 is an abundant number, since it is smaller than the sum of its proper divisors (3476710620).

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

1452288420 is a wasteful number, since it uses less digits than its factorization.

1452288420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244522 (or 244514 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 36.

The square root of 1452288420 is about 38108.9021096121. The cubic root of 1452288420 is about 1132.4463199853.

The spelling of 1452288420 in words is "one billion, four hundred fifty-two million, two hundred eighty-eight thousand, four hundred twenty".