1453251340 has 12 divisors (see below), whose sum is σ = 3051827856. Its totient is φ = 581300528.

The previous prime is 1453251323. The next prime is 1453251367. The reversal of 1453251340 is 431523541.

It is a super-2 number, since 2×1453251340² = 4223878914423591200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1453251299 and 1453251308.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36331264 + ... + 36331303.

It is an arithmetic number, because the mean of its divisors is an integer number (254318988).

Almost surely, 2^1453251340 is an apocalyptic number.

1453251340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1453251340 is an abundant number, since it is smaller than the sum of its proper divisors (1598576516).

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

1453251340 is a wasteful number, since it uses less digits than its factorization.

1453251340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72662576 (or 72662574 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 1453251340 is about 38121.5338096462. The cubic root of 1453251340 is about 1132.6965490446.

Adding to 1453251340 its reverse (431523541), we get a palindrome (1884774881).

The spelling of 1453251340 in words is "one billion, four hundred fifty-three million, two hundred fifty-one thousand, three hundred forty".