1453124578440 has 128 divisors (see below), whose sum is σ = 4385571840000. Its totient is φ = 385174994688.

The previous prime is 1453124578417. The next prime is 1453124578453. The reversal of 1453124578440 is 448754213541.

It is a super-2 number, since 2×1453124578440² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1453124578440.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24782037 + ... + 24840603.

It is an arithmetic number, because the mean of its divisors is an integer number (34262280000).

Almost surely, 2^{1453124578440} is an apocalyptic number.

1453124578440 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 1453124578440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2192785920000).

1453124578440 is an abundant number, since it is smaller than the sum of its proper divisors (2932447261560).

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

1453124578440 is a wasteful number, since it uses less digits than its factorization.

1453124578440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59819 (or 59815 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 48.

The spelling of 1453124578440 in words is "one trillion, four hundred fifty-three billion, one hundred twenty-four million, five hundred seventy-eight thousand, four hundred forty".