40321543508950 has 24 divisors (see below), whose sum is σ = 81816077375640. Its totient is φ = 14662379457600.

The previous prime is 40321543508921. The next prime is 40321543508989. The reversal of 40321543508950 is 5980534512304.

It is a junction number, because it is equal to n+sod(n) for n = 40321543508894 and 40321543508903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36655948095 + ... + 36655949194.

It is an arithmetic number, because the mean of its divisors is an integer number (3409003223985).

Almost surely, 2^{40321543508950} is an apocalyptic number.

40321543508950 is an abundant number, since it is smaller than the sum of its proper divisors (41494533866690).

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

40321543508950 is a wasteful number, since it uses less digits than its factorization.

40321543508950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73311897312 (or 73311897307 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 49.

The spelling of 40321543508950 in words is "forty trillion, three hundred twenty-one billion, five hundred forty-three million, five hundred eight thousand, nine hundred fifty".