40045420350 has 216 divisors, whose sum is σ = 116827265880. Its totient is φ = 9829797120.

The previous prime is 40045420321. The next prime is 40045420351. The reversal of 40045420350 is 5302454004.

40045420350 is a `hidden beast` number, since 4 + 0 + 0 + 454 + 203 + 5 + 0 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40045420351) by changing a digit.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 46618221 + ... + 46619079.

Almost surely, 2^40045420350 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40045420350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58413632940).

40045420350 is an abundant number, since it is smaller than the sum of its proper divisors (76781845530).

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

40045420350 is a wasteful number, since it uses less digits than its factorization.

40045420350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1516 (or 1495 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

Adding to 40045420350 its reverse (5302454004), we get a palindrome (45347874354).

The spelling of 40045420350 in words is "forty billion, forty-five million, four hundred twenty thousand, three hundred fifty".