40784169481 has 32 divisors (see below), whose sum is σ = 48452535936. Its totient is φ = 33907200000.

The previous prime is 40784169463. The next prime is 40784169509. The reversal of 40784169481 is 18496148704.

40784169481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 40784169481 - 2⁷ = 40784169353 is a prime.

It is a super-2 number, since 2×40784169481² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40784169581) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1913821 + ... + 1935013.

It is an arithmetic number, because the mean of its divisors is an integer number (1514141748).

Almost surely, 2^40784169481 is an apocalyptic number.

40784169481 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

40784169481 is a deficient number, since it is larger than the sum of its proper divisors (7668366455).

40784169481 is a wasteful number, since it uses less digits than its factorization.

40784169481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21513.

The product of its (nonzero) digits is 1548288, while the sum is 52.

The spelling of 40784169481 in words is "forty billion, seven hundred eighty-four million, one hundred sixty-nine thousand, four hundred eighty-one".