1553020345460 has 24 divisors (see below), whose sum is σ = 3337187906976. Its totient is φ = 606761436960.

The previous prime is 1553020345427. The next prime is 1553020345519. The reversal of 1553020345460 is 645430203551.

It is a super-2 number, since 2×1553020345460² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 902917946 + ... + 902919665.

It is an arithmetic number, because the mean of its divisors is an integer number (139049496124).

Almost surely, 2^{1553020345460} is an apocalyptic number.

1553020345460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1553020345460 is an abundant number, since it is smaller than the sum of its proper divisors (1784167561516).

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

1553020345460 is a wasteful number, since it uses less digits than its factorization.

1553020345460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1805837663 (or 1805837661 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 38.

The spelling of 1553020345460 in words is "one trillion, five hundred fifty-three billion, twenty million, three hundred forty-five thousand, four hundred sixty".