40153122 has 48 divisors (see below), whose sum is σ = 90484992. Its totient is φ = 12854880.

The previous prime is 40153111. The next prime is 40153129. The reversal of 40153122 is 22135104.

It is a super-2 number, since 2×40153122² = 3224546412693768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 40153095 and 40153104.

It is not an unprimeable number, because it can be changed into a prime (40153129) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 126508 + ... + 126824.

It is an arithmetic number, because the mean of its divisors is an integer number (1885104).

Almost surely, 2^40153122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40153122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45242496).

40153122 is an abundant number, since it is smaller than the sum of its proper divisors (50331870).

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

40153122 is a wasteful number, since it uses less digits than its factorization.

40153122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583 (or 580 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 40153122 is about 6336.6491144768. The cubic root of 40153122 is about 342.4310252352.

Adding to 40153122 its reverse (22135104), we get a palindrome (62288226).

The spelling of 40153122 in words is "forty million, one hundred fifty-three thousand, one hundred twenty-two".