40120300000 has 144 divisors (see below), whose sum is σ = 107705387664. Its totient is φ = 14588800000.

The previous prime is 40120299983. The next prime is 40120300013. The reversal of 40120300000 is 302104.

40120300000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a self number, because there is not a number n which added to its sum of digits gives 40120300000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1081764 + ... + 1118236.

It is an arithmetic number, because the mean of its divisors is an integer number (747954081).

Almost surely, 2^40120300000 is an apocalyptic number.

40120300000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40120300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53852693832).

40120300000 is an abundant number, since it is smaller than the sum of its proper divisors (67585087664).

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

40120300000 is an equidigital number, since it uses as much as digits as its factorization.

40120300000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36519 (or 36491 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

Adding to 40120300000 its reverse (302104), we get a palindrome (40120602104).

The spelling of 40120300000 in words is "forty billion, one hundred twenty million, three hundred thousand".