40005009500 has 48 divisors (see below), whose sum is σ = 89019508032. Its totient is φ = 15700068800.

The previous prime is 40005009493. The next prime is 40005009571. The reversal of 40005009500 is 590050004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 728312 + ... + 781311.

It is an arithmetic number, because the mean of its divisors is an integer number (1854573084).

Almost surely, 2^40005009500 is an apocalyptic number.

It is an amenable number.

40005009500 is an abundant number, since it is smaller than the sum of its proper divisors (49014498532).

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

40005009500 is a wasteful number, since it uses less digits than its factorization.

40005009500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1509695 (or 1509683 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

Adding to 40005009500 its reverse (590050004), we get a palindrome (40595059504).

The spelling of 40005009500 in words is "forty billion, five million, nine thousand, five hundred".