40400555204 has 6 divisors (see below), whose sum is σ = 70700971614. Its totient is φ = 20200277600.

The previous prime is 40400555203. The next prime is 40400555219. The reversal of 40400555204 is 40255500404.

It can be written as a sum of positive squares in only one way, i.e., 38525838400 + 1874716804 = 196280^2 + 43298^2 .

It is not an unprimeable number, because it can be changed into a prime (40400555203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050069397 + ... + 5050069404.

It is an arithmetic number, because the mean of its divisors is an integer number (11783495269).

Almost surely, 2^40400555204 is an apocalyptic number.

It is an amenable number.

40400555204 is a deficient number, since it is larger than the sum of its proper divisors (30300416410).

40400555204 is a wasteful number, since it uses less digits than its factorization.

40400555204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10100138805 (or 10100138803 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 29.

The spelling of 40400555204 in words is "forty billion, four hundred million, five hundred fifty-five thousand, two hundred four".