40448658500 has 48 divisors (see below), whose sum is σ = 88361425152. Its totient is φ = 16175516000.

The previous prime is 40448658491. The next prime is 40448658517. The reversal of 40448658500 is 585684404.

It is a happy number.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2896535 + ... + 2910465.

It is an arithmetic number, because the mean of its divisors is an integer number (1840863024).

Almost surely, 2^40448658500 is an apocalyptic number.

It is an amenable number.

40448658500 is an abundant number, since it is smaller than the sum of its proper divisors (47912766652).

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

40448658500 is a wasteful number, since it uses less digits than its factorization.

40448658500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19757 (or 19745 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 44.

The spelling of 40448658500 in words is "forty billion, four hundred forty-eight million, six hundred fifty-eight thousand, five hundred".