40508407000 has 64 divisors (see below), whose sum is σ = 96806586240. Its totient is φ = 15858592000.

The previous prime is 40508406997. The next prime is 40508407019. The reversal of 40508407000 is 70480504.

It is a self number, because there is not a number n which added to its sum of digits gives 40508407000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 383941 + ... + 477940.

It is an arithmetic number, because the mean of its divisors is an integer number (1512602910).

Almost surely, 2^40508407000 is an apocalyptic number.

40508407000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40508407000 is an abundant number, since it is smaller than the sum of its proper divisors (56298179240).

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

40508407000 is a wasteful number, since it uses less digits than its factorization.

40508407000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861949 (or 861935 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

Adding to 40508407000 its reverse (70480504), we get a palindrome (40578887504).

The spelling of 40508407000 in words is "forty billion, five hundred eight million, four hundred seven thousand".