40545434304 has 112 divisors (see below), whose sum is σ = 119541340800. Its totient is φ = 13475996928.

The previous prime is 40545434297. The next prime is 40545434327. The reversal of 40545434304 is 40343454504.

40545434304 is a `hidden beast` number, since 40 + 545 + 43 + 4 + 30 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 565807 + ... + 633425.

It is an arithmetic number, because the mean of its divisors is an integer number (1067333400).

Almost surely, 2^40545434304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40545434304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59770670400).

40545434304 is an abundant number, since it is smaller than the sum of its proper divisors (78995906496).

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

40545434304 is a wasteful number, since it uses less digits than its factorization.

40545434304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67987 (or 67971 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 36.

Adding to 40545434304 its reverse (40343454504), we get a palindrome (80888888808).

The spelling of 40545434304 in words is "forty billion, five hundred forty-five million, four hundred thirty-four thousand, three hundred four".