40047001783768 has 64 divisors (see below), whose sum is σ = 88807487616000. Its totient is φ = 16564948616832.

The previous prime is 40047001783741. The next prime is 40047001783771. The reversal of 40047001783768 is 86738710074004.

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, 305308 + ... + 8954731.

It is an arithmetic number, because the mean of its divisors is an integer number (1387616994000).

Almost surely, 2^{40047001783768} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40047001783768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44403743808000).

40047001783768 is an abundant number, since it is smaller than the sum of its proper divisors (48760485832232).

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

40047001783768 is a wasteful number, since it uses less digits than its factorization.

40047001783768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9262744 (or 9262740 counting only the distinct ones).

The product of its (nonzero) digits is 6322176, while the sum is 55.

The spelling of 40047001783768 in words is "forty trillion, forty-seven billion, one million, seven hundred eighty-three thousand, seven hundred sixty-eight".