40408764680 has 16 divisors (see below), whose sum is σ = 90919720620. Its totient is φ = 16163505856.

The previous prime is 40408764667. The next prime is 40408764727. The reversal of 40408764680 is 8646780404.

It can be written as a sum of positive squares in 2 ways, for example, as 39698968516 + 709796164 = 199246^2 + 26642^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505109519 + ... + 505109598.

Almost surely, 2^40408764680 is an apocalyptic number.

40408764680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40408764680 is an abundant number, since it is smaller than the sum of its proper divisors (50510955940).

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

40408764680 is a wasteful number, since it uses less digits than its factorization.

40408764680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010219128 (or 1010219124 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 47.

The spelling of 40408764680 in words is "forty billion, four hundred eight million, seven hundred sixty-four thousand, six hundred eighty".