1554450140334 has 128 divisors (see below), whose sum is σ = 3952917061632. Its totient is φ = 396424005120.

The previous prime is 1554450140323. The next prime is 1554450140459. The reversal of 1554450140334 is 4330410544551.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1554450140292 and 1554450140301.

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 63 ways as a sum of consecutive naturals, for example, 21578544 + ... + 21650460.

It is an arithmetic number, because the mean of its divisors is an integer number (30882164544).

Almost surely, 2^{1554450140334} is an apocalyptic number.

1554450140334 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1554450140334, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1976458530816).

1554450140334 is an abundant number, since it is smaller than the sum of its proper divisors (2398466921298).

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

1554450140334 is a wasteful number, since it uses less digits than its factorization.

1554450140334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73250.

The product of its (nonzero) digits is 288000, while the sum is 39.

Adding to 1554450140334 its reverse (4330410544551), we get a palindrome (5884860684885).

The spelling of 1554450140334 in words is "one trillion, five hundred fifty-four billion, four hundred fifty million, one hundred forty thousand, three hundred thirty-four".