1453770640 has 160 divisors (see below), whose sum is σ = 4144020480. Its totient is φ = 462938112.

The previous prime is 1453770601. The next prime is 1453770671. The reversal of 1453770640 is 460773541.

It is a super-2 number, since 2×1453770640² = 4226898147452019200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1453770640.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 751114 + ... + 753046.

It is an arithmetic number, because the mean of its divisors is an integer number (25900128).

Almost surely, 2^1453770640 is an apocalyptic number.

1453770640 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 1453770640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2072010240).

1453770640 is an abundant number, since it is smaller than the sum of its proper divisors (2690249840).

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

1453770640 is a wasteful number, since it uses less digits than its factorization.

1453770640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2049 (or 2043 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 1453770640 is about 38128.3443123354. The cubic root of 1453770640 is about 1132.8314509832.

The spelling of 1453770640 in words is "one billion, four hundred fifty-three million, seven hundred seventy thousand, six hundred forty".