4200452554545 has 120 divisors (see below), whose sum is σ = 8613964041144. Its totient is φ = 1946272333824.

The previous prime is 4200452554517. The next prime is 4200452554561. The reversal of 4200452554545 is 5454552540024.

4200452554545 is a `hidden beast` number, since 4 + 2 + 0 + 0 + 4 + 52 + 5 + 54 + 545 = 666.

It can be written as a sum of positive squares in 12 ways, for example, as 140114713761 + 4060337840784 = 374319^2 + 2015028^2 .

It is not a de Polignac number, because 4200452554545 - 2²¹ = 4200450457393 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 4200452554545.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 141297 + ... + 2901873.

Almost surely, 2^{4200452554545} is an apocalyptic number.

4200452554545 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4200452554545 is an abundant number, since it is smaller than the sum of its proper divisors (4413511486599).

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

4200452554545 is a wasteful number, since it uses less digits than its factorization.

4200452554545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2760641 (or 2760615 counting only the distinct ones).

The product of its (nonzero) digits is 3200000, while the sum is 45.

The spelling of 4200452554545 in words is "four trillion, two hundred billion, four hundred fifty-two million, five hundred fifty-four thousand, five hundred forty-five".