40045313000 has 192 divisors, whose sum is σ = 117715852800. Its totient is φ = 12481392000.

The previous prime is 40045312997. The next prime is 40045313051. The reversal of 40045313000 is 31354004.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 823361 + ... + 870639.

It is an arithmetic number, because the mean of its divisors is an integer number (613103400).

Almost surely, 2^40045313000 is an apocalyptic number.

40045313000 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 40045313000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58857926400).

40045313000 is an abundant number, since it is smaller than the sum of its proper divisors (77670539800).

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

40045313000 is a wasteful number, since it uses less digits than its factorization.

40045313000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47329 (or 47304 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 40045313000 its reverse (31354004), we get a palindrome (40076667004).

The spelling of 40045313000 in words is "forty billion, forty-five million, three hundred thirteen thousand".