40784395740 has 96 divisors (see below), whose sum is σ = 124875959040. Its totient is φ = 9863462400.

The previous prime is 40784395723. The next prime is 40784395781. The reversal of 40784395740 is 4759348704.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 202800 + ... + 350280.

It is an arithmetic number, because the mean of its divisors is an integer number (1300791240).

Almost surely, 2^40784395740 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 40784395740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62437979520).

40784395740 is an abundant number, since it is smaller than the sum of its proper divisors (84091563300).

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

40784395740 is a wasteful number, since it uses less digits than its factorization.

40784395740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147923 (or 147921 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 51.

The spelling of 40784395740 in words is "forty billion, seven hundred eighty-four million, three hundred ninety-five thousand, seven hundred forty".