40788647850 has 48 divisors (see below), whose sum is σ = 101228163840. Its totient is φ = 10869196800.

The previous prime is 40788647849. The next prime is 40788647857. The reversal of 40788647850 is 5874688704.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (40788647857) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 114855 + ... + 307845.

It is an arithmetic number, because the mean of its divisors is an integer number (2108920080).

Almost surely, 2^40788647850 is an apocalyptic number.

40788647850 is an abundant number, since it is smaller than the sum of its proper divisors (60439515990).

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

40788647850 is a wasteful number, since it uses less digits than its factorization.

40788647850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194415 (or 194410 counting only the distinct ones).

The product of its (nonzero) digits is 12042240, while the sum is 57.

The spelling of 40788647850 in words is "forty billion, seven hundred eighty-eight million, six hundred forty-seven thousand, eight hundred fifty".