1453046320 has 80 divisors (see below), whose sum is σ = 3691192320. Its totient is φ = 527558400.

The previous prime is 1453046281. The next prime is 1453046341. The reversal of 1453046320 is 236403541.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×1453046320² = 4222687216131084800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1124875 + ... + 1126165.

It is an arithmetic number, because the mean of its divisors is an integer number (46139904).

Almost surely, 2^1453046320 is an apocalyptic number.

1453046320 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 1453046320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1845596160).

1453046320 is an abundant number, since it is smaller than the sum of its proper divisors (2238146000).

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

1453046320 is a wasteful number, since it uses less digits than its factorization.

1453046320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2594 (or 2588 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 1453046320 is about 38118.8446834371. The cubic root of 1453046320 is about 1132.6432808174.

Adding to 1453046320 its reverse (236403541), we get a palindrome (1689449861).

The spelling of 1453046320 in words is "one billion, four hundred fifty-three million, forty-six thousand, three hundred twenty".