40324210120 has 128 divisors (see below), whose sum is σ = 99762697440. Its totient is φ = 14606991360.

The previous prime is 40324210067. The next prime is 40324210123. The reversal of 40324210120 is 2101242304.

It can be written as a sum of positive squares in 16 ways, for example, as 856030564 + 39468179556 = 29258^2 + 198666^2 .

It is not an unprimeable number, because it can be changed into a prime (40324210123) 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, 2025334 + ... + 2045146.

Almost surely, 2^40324210120 is an apocalyptic number.

40324210120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40324210120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49881348720).

40324210120 is an abundant number, since it is smaller than the sum of its proper divisors (59438487320).

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

40324210120 is a wasteful number, since it uses less digits than its factorization.

40324210120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19955 (or 19951 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 40324210120 its reverse (2101242304), we get a palindrome (42425452424).

The spelling of 40324210120 in words is "forty billion, three hundred twenty-four million, two hundred ten thousand, one hundred twenty".