1200453260454 has 96 divisors (see below), whose sum is σ = 3029090598144. Its totient is φ = 336464781120.

The previous prime is 1200453260449. The next prime is 1200453260519. The reversal of 1200453260454 is 4540623540021.

1200453260454 is a `hidden beast` number, since 1 + 2 + 0 + 0 + 45 + 3 + 2 + 604 + 5 + 4 = 666.

It is a super-2 number, since 2×1200453260454² (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 (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 81484269 + ... + 81498999.

It is an arithmetic number, because the mean of its divisors is an integer number (31553027064).

Almost surely, 2^{1200453260454} is an apocalyptic number.

1200453260454 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 1200453260454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1514545299072).

1200453260454 is an abundant number, since it is smaller than the sum of its proper divisors (1828637337690).

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

1200453260454 is a wasteful number, since it uses less digits than its factorization.

1200453260454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27002 (or 26999 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The spelling of 1200453260454 in words is "one trillion, two hundred billion, four hundred fifty-three million, two hundred sixty thousand, four hundred fifty-four".