40122152322 has 64 divisors (see below), whose sum is σ = 93278339328. Its totient is φ = 11267424000.

The previous prime is 40122152309. The next prime is 40122152339. The reversal of 40122152322 is 22325122104.

It is a junction number, because it is equal to n+sod(n) for n = 40122152292 and 40122152301.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4148172 + ... + 4157832.

It is an arithmetic number, because the mean of its divisors is an integer number (1457474052).

Almost surely, 2^40122152322 is an apocalyptic number.

40122152322 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 40122152322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46639169664).

40122152322 is an abundant number, since it is smaller than the sum of its proper divisors (53156187006).

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

40122152322 is a wasteful number, since it uses less digits than its factorization.

40122152322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11355.

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 40122152322 its reverse (22325122104), we get a palindrome (62447274426).

The spelling of 40122152322 in words is "forty billion, one hundred twenty-two million, one hundred fifty-two thousand, three hundred twenty-two".