41939978464440 has 128 divisors (see below), whose sum is σ = 159771346560000. Its totient is φ = 9586280790144.

The previous prime is 41939978464421. The next prime is 41939978464459. The reversal of 41939978464440 is 4446487993914.

41939978464440 is a `hidden beast` number, since 4 + 1 + 9 + 3 + 99 + 78 + 464 + 4 + 4 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (41939978464421) and next prime (41939978464459).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2773800540 + ... + 2773815659.

It is an arithmetic number, because the mean of its divisors is an integer number (1248213645000).

Almost surely, 2^{41939978464440} is an apocalyptic number.

41939978464440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

41939978464440 is an abundant number, since it is smaller than the sum of its proper divisors (117831368095560).

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

41939978464440 is a wasteful number, since it uses less digits than its factorization.

41939978464440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5547616226 (or 5547616216 counting only the distinct ones).

The product of its (nonzero) digits is 752467968, while the sum is 72.

The spelling of 41939978464440 in words is "forty-one trillion, nine hundred thirty-nine billion, nine hundred seventy-eight million, four hundred sixty-four thousand, four hundred forty".