40350818540 has 24 divisors (see below), whose sum is σ = 85610297472. Its totient is φ = 15973931520.

The previous prime is 40350818533. The next prime is 40350818549. The reversal of 40350818540 is 4581805304.

It is a junction number, because it is equal to n+sod(n) for n = 40350818494 and 40350818503.

It is not an unprimeable number, because it can be changed into a prime (40350818549) 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, 10397756 + ... + 10401635.

It is an arithmetic number, because the mean of its divisors is an integer number (3567095728).

Almost surely, 2^40350818540 is an apocalyptic number.

It is an amenable number.

40350818540 is an abundant number, since it is smaller than the sum of its proper divisors (45259478932).

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

40350818540 is a wasteful number, since it uses less digits than its factorization.

40350818540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20799497 (or 20799495 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 38.

The spelling of 40350818540 in words is "forty billion, three hundred fifty million, eight hundred eighteen thousand, five hundred forty".