40745405220 has 96 divisors (see below), whose sum is σ = 123480940800. Its totient is φ = 9979200000.

The previous prime is 40745405161. The next prime is 40745405221. The reversal of 40745405220 is 2250454704.

40745405220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (40745405221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23970 + ... + 286470.

It is an arithmetic number, because the mean of its divisors is an integer number (1286259800).

Almost surely, 2^40745405220 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 40745405220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61740470400).

40745405220 is an abundant number, since it is smaller than the sum of its proper divisors (82735535580).

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

40745405220 is a wasteful number, since it uses less digits than its factorization.

40745405220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262725 (or 262723 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 33.

Adding to 40745405220 its reverse (2250454704), we get a palindrome (42995859924).

The spelling of 40745405220 in words is "forty billion, seven hundred forty-five million, four hundred five thousand, two hundred twenty".