40203055455345 has 24 divisors (see below), whose sum is σ = 69692042189952. Its totient is φ = 21439553863200.

The previous prime is 40203055455319. The next prime is 40203055455347. The reversal of 40203055455345 is 54355455030204.

40203055455345 is a `hidden beast` number, since 4 + 0 + 2 + 0 + 3 + 0 + 5 + 54 + 553 + 45 = 666.

It is not a de Polignac number, because 40203055455345 - 2⁹ = 40203055454833 is a prime.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40203055455345.

It is not an unprimeable number, because it can be changed into a prime (40203055455347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42773961 + ... + 43703750.

It is an arithmetic number, because the mean of its divisors is an integer number (2903835091248).

Almost surely, 2^{40203055455345} is an apocalyptic number.

40203055455345 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40203055455345 is a deficient number, since it is larger than the sum of its proper divisors (29488986734607).

40203055455345 is a wasteful number, since it uses less digits than its factorization.

40203055455345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86488053 (or 86488050 counting only the distinct ones).

The product of its (nonzero) digits is 3600000, while the sum is 45.

The spelling of 40203055455345 in words is "forty trillion, two hundred three billion, fifty-five million, four hundred fifty-five thousand, three hundred forty-five".