40805250090 has 64 divisors (see below), whose sum is σ = 110281900032. Its totient is φ = 9573076800.

The previous prime is 40805250071. The next prime is 40805250181. The reversal of 40805250090 is 9005250804.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1984162 + ... + 2004621.

It is an arithmetic number, because the mean of its divisors is an integer number (1723154688).

Almost surely, 2^40805250090 is an apocalyptic number.

40805250090 is an abundant number, since it is smaller than the sum of its proper divisors (69476649942).

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

40805250090 is a wasteful number, since it uses less digits than its factorization.

40805250090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3988835.

The product of its (nonzero) digits is 14400, while the sum is 33.

The spelling of 40805250090 in words is "forty billion, eight hundred five million, two hundred fifty thousand, ninety".