40000034500000 has 84 divisors (see below), whose sum is σ = 98436326131710. Its totient is φ = 16000013600000.

The previous prime is 40000034499989. The next prime is 40000034500003. The reversal of 40000034500000 is 543000004.

It can be written as a sum of positive squares in 7 ways, for example, as 7984218804496 + 32015815695504 = 2825636^2 + 5658252^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (40000034500003) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 39500035 + ... + 40500034.

Almost surely, 2^{40000034500000} is an apocalyptic number.

40000034500000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40000034500000 is an abundant number, since it is smaller than the sum of its proper divisors (58436291631710).

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

40000034500000 is an frugal number, since it uses more digits than its factorization.

40000034500000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80000109 (or 80000076 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

Adding to 40000034500000 its reverse (543000004), we get a palindrome (40000577500004).

The spelling of 40000034500000 in words is "forty trillion, thirty-four million, five hundred thousand".