40047746382 has 80 divisors (see below), whose sum is σ = 105057624672. Its totient is φ = 11163121920.

The previous prime is 40047746363. The next prime is 40047746407. The reversal of 40047746382 is 28364774004.

40047746382 is a `hidden beast` number, since 4 + 0 + 0 + 4 + 7 + 7 + 4 + 638 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 384183 + ... + 477170.

Almost surely, 2^40047746382 is an apocalyptic number.

40047746382 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

40047746382 is an abundant number, since it is smaller than the sum of its proper divisors (65009878290).

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

40047746382 is a wasteful number, since it uses less digits than its factorization.

40047746382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861415 (or 861406 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 45.

The spelling of 40047746382 in words is "forty billion, forty-seven million, seven hundred forty-six thousand, three hundred eighty-two".