1554453421010 has 128 divisors (see below), whose sum is σ = 3428481821184. Its totient is φ = 495293644800.

The previous prime is 1554453421007. The next prime is 1554453421039. The reversal of 1554453421010 is 101243544551.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (35).

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 63 ways as a sum of consecutive naturals, for example, 267960110 + ... + 267965910.

It is an arithmetic number, because the mean of its divisors is an integer number (26785014228).

Almost surely, 2^{1554453421010} is an apocalyptic number.

1554453421010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1554453421010 is an abundant number, since it is smaller than the sum of its proper divisors (1874028400174).

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

1554453421010 is a wasteful number, since it uses less digits than its factorization.

1554453421010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8628.

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 1554453421010 its reverse (101243544551), we get a palindrome (1655696965561).

The spelling of 1554453421010 in words is "one trillion, five hundred fifty-four billion, four hundred fifty-three million, four hundred twenty-one thousand, ten".