40434050000 has 60 divisors (see below), whose sum is σ = 97920068652. Its totient is φ = 16173600000.

The previous prime is 40434049969. The next prime is 40434050009. The reversal of 40434050000 is 5043404.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 26058999184 + 14375050816 = 161428^2 + 119896^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40434050009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 354341 + ... + 454340.

Almost surely, 2^40434050000 is an apocalyptic number.

40434050000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40434050000 is an abundant number, since it is smaller than the sum of its proper divisors (57486018652).

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

40434050000 is an frugal number, since it uses more digits than its factorization.

40434050000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808714 (or 808688 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

Adding to 40434050000 its reverse (5043404), we get a palindrome (40439093404).

The spelling of 40434050000 in words is "forty billion, four hundred thirty-four million, fifty thousand".