40043215000 has 40 divisors (see below), whose sum is σ = 93821264460. Its totient is φ = 16017284000.

The previous prime is 40043214997. The next prime is 40043215013. The reversal of 40043215000 is 51234004.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3999322 + ... + 4009321.

Almost surely, 2^40043215000 is an apocalyptic number.

40043215000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40043215000 is an abundant number, since it is smaller than the sum of its proper divisors (53778049460).

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

40043215000 is an equidigital number, since it uses as much as digits as its factorization.

40043215000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8008669 (or 8008650 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

Adding to 40043215000 its reverse (51234004), we get a palindrome (40094449004).

The spelling of 40043215000 in words is "forty billion, forty-three million, two hundred fifteen thousand".