1453553535420 has 72 divisors (see below), whose sum is σ = 5038985593824. Its totient is φ = 332240807808.

The previous prime is 1453553535403. The next prime is 1453553535433. The reversal of 1453553535420 is 245353553541.

1453553535420 is a `hidden beast` number, since 1 + 4 + 5 + 3 + 5 + 53 + 53 + 542 + 0 = 666.

It is a super-2 number, since 2×1453553535420² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 576805699 + ... + 576808218.

Almost surely, 2^{1453553535420} is an apocalyptic number.

1453553535420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1453553535420 is an abundant number, since it is smaller than the sum of its proper divisors (3585432058404).

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

1453553535420 is a wasteful number, since it uses less digits than its factorization.

1453553535420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153613939 (or 1153613934 counting only the distinct ones).

The product of its (nonzero) digits is 2700000, while the sum is 45.

The spelling of 1453553535420 in words is "one trillion, four hundred fifty-three billion, five hundred fifty-three million, five hundred thirty-five thousand, four hundred twenty".