40189982956248 has 64 divisors (see below), whose sum is σ = 100783789056000. Its totient is φ = 13355508840192.

The previous prime is 40189982956231. The next prime is 40189982956273. The reversal of 40189982956248 is 84265928998104.

It is a Cunningham number, because it is equal to 6339557²-1.

It is a self number, because there is not a number n which added to its sum of digits gives 40189982956248.

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, 24565788 + ... + 26150676.

It is an arithmetic number, because the mean of its divisors is an integer number (1574746704000).

Almost surely, 2^{40189982956248} is an apocalyptic number.

It is an amenable number.

40189982956248 is an abundant number, since it is smaller than the sum of its proper divisors (60593806099752).

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

40189982956248 is a wasteful number, since it uses less digits than its factorization.

40189982956248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588144 (or 1588140 counting only the distinct ones).

The product of its (nonzero) digits is 716636160, while the sum is 75.

The spelling of 40189982956248 in words is "forty trillion, one hundred eighty-nine billion, nine hundred eighty-two million, nine hundred fifty-six thousand, two hundred forty-eight".