40324242072 has 32 divisors (see below), whose sum is σ = 101288393280. Its totient is φ = 13377708960.

The previous prime is 40324242071. The next prime is 40324242107. The reversal of 40324242072 is 27024242304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40324242071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3976398 + ... + 3986525.

It is an arithmetic number, because the mean of its divisors is an integer number (3165262290).

Almost surely, 2^40324242072 is an apocalyptic number.

It is an amenable number.

40324242072 is an abundant number, since it is smaller than the sum of its proper divisors (60964151208).

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

40324242072 is a wasteful number, since it uses less digits than its factorization.

40324242072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7963143 (or 7963139 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 30.

Adding to 40324242072 its reverse (27024242304), we get a palindrome (67348484376).

The spelling of 40324242072 in words is "forty billion, three hundred twenty-four million, two hundred forty-two thousand, seventy-two".