40089190050 has 288 divisors, whose sum is σ = 140361766272. Its totient is φ = 7960688640.

The previous prime is 40089190039. The next prime is 40089190069. The reversal of 40089190050 is 5009198004.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40089189987 and 40089190014.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 667357 + ... + 724943.

It is an arithmetic number, because the mean of its divisors is an integer number (487367244).

Almost surely, 2^40089190050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40089190050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70180883136).

40089190050 is an abundant number, since it is smaller than the sum of its proper divisors (100272576222).

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

40089190050 is a wasteful number, since it uses less digits than its factorization.

40089190050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57642 (or 57634 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The spelling of 40089190050 in words is "forty billion, eighty-nine million, one hundred ninety thousand, fifty".