40638514148 has 6 divisors (see below), whose sum is σ = 71117399766. Its totient is φ = 20319257072.

The previous prime is 40638514121. The next prime is 40638514151. The reversal of 40638514148 is 84141583604.

It can be written as a sum of positive squares in only one way, i.e., 37045470784 + 3593043364 = 192472^2 + 59942^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40638514099 and 40638514108.

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 as a sum of consecutive naturals, namely, 5079814265 + ... + 5079814272.

It is an arithmetic number, because the mean of its divisors is an integer number (11852899961).

Almost surely, 2^40638514148 is an apocalyptic number.

It is an amenable number.

40638514148 is a deficient number, since it is larger than the sum of its proper divisors (30478885618).

40638514148 is a wasteful number, since it uses less digits than its factorization.

40638514148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10159628541 (or 10159628539 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 44.

The spelling of 40638514148 in words is "forty billion, six hundred thirty-eight million, five hundred fourteen thousand, one hundred forty-eight".