40531335520 has 96 divisors (see below), whose sum is σ = 104426824320. Its totient is φ = 14775920640.

The previous prime is 40531335499. The next prime is 40531335541. The reversal of 40531335520 is 2553313504.

It is an interprime number because it is at equal distance from previous prime (40531335499) and next prime (40531335541).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40990 + ... + 287650.

It is an arithmetic number, because the mean of its divisors is an integer number (1087779420).

Almost surely, 2^40531335520 is an apocalyptic number.

40531335520 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 40531335520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52213412160).

40531335520 is an abundant number, since it is smaller than the sum of its proper divisors (63895488800).

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

40531335520 is a wasteful number, since it uses less digits than its factorization.

40531335520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246768 (or 246760 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 31.

The spelling of 40531335520 in words is "forty billion, five hundred thirty-one million, three hundred thirty-five thousand, five hundred twenty".