40331124 has 72 divisors (see below), whose sum is σ = 106928640. Its totient is φ = 12801600.

The previous prime is 40331117. The next prime is 40331153. The reversal of 40331124 is 42113304.

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

It is a nialpdrome in base 7.

It is a junction number, because it is equal to n+sod(n) for n = 40331097 and 40331106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78982 + ... + 79490.

It is an arithmetic number, because the mean of its divisors is an integer number (1485120).

Almost surely, 2^40331124 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 40331124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53464320).

40331124 is an abundant number, since it is smaller than the sum of its proper divisors (66597516).

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

40331124 is a wasteful number, since it uses less digits than its factorization.

40331124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621 (or 616 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 40331124 is about 6350.6790188137. The cubic root of 40331124 is about 342.9362873838.

Adding to 40331124 its reverse (42113304), we get a palindrome (82444428).

The spelling of 40331124 in words is "forty million, three hundred thirty-one thousand, one hundred twenty-four".