40606739390250 has 640 divisors, whose sum is σ = 124716709877760. Its totient is φ = 9777604608000.

The previous prime is 40606739390183. The next prime is 40606739390267. The reversal of 40606739390250 is 5209393760604.

40606739390250 is a `hidden beast` number, since 4 + 0 + 60 + 67 + 393 + 90 + 2 + 50 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 35218333674 + ... + 35218334826.

It is an arithmetic number, because the mean of its divisors is an integer number (194869859184).

Almost surely, 2^{40606739390250} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40606739390250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62358354938880).

40606739390250 is an abundant number, since it is smaller than the sum of its proper divisors (84109970487510).

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

40606739390250 is a wasteful number, since it uses less digits than its factorization.

40606739390250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2125 (or 2106 counting only the distinct ones).

The product of its (nonzero) digits is 7348320, while the sum is 54.

The spelling of 40606739390250 in words is "forty trillion, six hundred six billion, seven hundred thirty-nine million, three hundred ninety thousand, two hundred fifty".