40689899404 has 24 divisors (see below), whose sum is σ = 88777963008. Its totient is φ = 15853207440.

The previous prime is 40689899399. The next prime is 40689899413. The reversal of 40689899404 is 40499898604.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66054724 + ... + 66055339.

It is an arithmetic number, because the mean of its divisors is an integer number (3699081792).

Almost surely, 2^40689899404 is an apocalyptic number.

40689899404 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40689899404 is an abundant number, since it is smaller than the sum of its proper divisors (48088063604).

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

40689899404 is a wasteful number, since it uses less digits than its factorization.

40689899404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132110085 (or 132110083 counting only the distinct ones).

The product of its (nonzero) digits is 17915904, while the sum is 61.

The spelling of 40689899404 in words is "forty billion, six hundred eighty-nine million, eight hundred ninety-nine thousand, four hundred four".