40359000990 has 128 divisors (see below), whose sum is σ = 120838874112. Its totient is φ = 8380984320.

The previous prime is 40359000989. The next prime is 40359001019. The reversal of 40359000990 is 9900095304.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4414464 + ... + 4423596.

It is an arithmetic number, because the mean of its divisors is an integer number (944053704).

Almost surely, 2^40359000990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40359000990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60419437056).

40359000990 is an abundant number, since it is smaller than the sum of its proper divisors (80479873122).

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

40359000990 is a wasteful number, since it uses less digits than its factorization.

40359000990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11074.

The product of its (nonzero) digits is 43740, while the sum is 39.

The spelling of 40359000990 in words is "forty billion, three hundred fifty-nine million, nine hundred ninety", and thus it is an aban number.