40255453200 has 120 divisors (see below), whose sum is σ = 129672727200. Its totient is φ = 10674759680.

The previous prime is 40255453187. The next prime is 40255453201. The reversal of 40255453200 is 235455204.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (40255453201) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 121096 + ... + 308504.

It is an arithmetic number, because the mean of its divisors is an integer number (1080606060).

Almost surely, 2^40255453200 is an apocalyptic number.

40255453200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40255453200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64836363600).

40255453200 is an abundant number, since it is smaller than the sum of its proper divisors (89417274000).

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

40255453200 is a wasteful number, since it uses less digits than its factorization.

40255453200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187609 (or 187598 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 30.

The spelling of 40255453200 in words is "forty billion, two hundred fifty-five million, four hundred fifty-three thousand, two hundred".