40205063500 has 288 divisors, whose sum is σ = 107288737920. Its totient is φ = 13105344000.

The previous prime is 40205063489. The next prime is 40205063513. The reversal of 40205063500 is 536050204.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 50445102 + ... + 50445898.

It is an arithmetic number, because the mean of its divisors is an integer number (372530340).

Almost surely, 2^40205063500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40205063500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53644368960).

40205063500 is an abundant number, since it is smaller than the sum of its proper divisors (67083674420).

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

40205063500 is a wasteful number, since it uses less digits than its factorization.

40205063500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930 (or 911 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The spelling of 40205063500 in words is "forty billion, two hundred five million, sixty-three thousand, five hundred".