1453839385890 has 32 divisors (see below), whose sum is σ = 3489246694080. Its totient is φ = 387686928704.

The previous prime is 1453839385819. The next prime is 1453839385891. The reversal of 1453839385890 is 985839383541.

It is a super-2 number, since 2×1453839385890² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1453839385891) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 5432197 + ... + 5693543.

It is an arithmetic number, because the mean of its divisors is an integer number (109038959190).

Almost surely, 2^{1453839385890} is an apocalyptic number.

1453839385890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1453839385890 is an abundant number, since it is smaller than the sum of its proper divisors (2035407308190).

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

1453839385890 is a wasteful number, since it uses less digits than its factorization.

1453839385890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446786.

The product of its (nonzero) digits is 111974400, while the sum is 66.

The spelling of 1453839385890 in words is "one trillion, four hundred fifty-three billion, eight hundred thirty-nine million, three hundred eighty-five thousand, eight hundred ninety".