1554054454020 has 24 divisors (see below), whose sum is σ = 4351352471424. Its totient is φ = 414414521056.

The previous prime is 1554054454019. The next prime is 1554054454027. The reversal of 1554054454020 is 204544504551.

It is a self number, because there is not a number n which added to its sum of digits gives 1554054454020.

It is not an unprimeable number, because it can be changed into a prime (1554054454027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12950453724 + ... + 12950453843.

It is an arithmetic number, because the mean of its divisors is an integer number (181306352976).

Almost surely, 2^{1554054454020} is an apocalyptic number.

1554054454020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1554054454020 is an abundant number, since it is smaller than the sum of its proper divisors (2797298017404).

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

1554054454020 is a wasteful number, since it uses less digits than its factorization.

1554054454020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25900907579 (or 25900907577 counting only the distinct ones).

The product of its (nonzero) digits is 320000, while the sum is 39.

Adding to 1554054454020 its reverse (204544504551), we get a palindrome (1758598958571).

The spelling of 1554054454020 in words is "one trillion, five hundred fifty-four billion, fifty-four million, four hundred fifty-four thousand, twenty".