40144135204 has 6 divisors (see below), whose sum is σ = 70252236614. Its totient is φ = 20072067600.

The previous prime is 40144135139. The next prime is 40144135217. The reversal of 40144135204 is 40253144104.

It can be written as a sum of positive squares in only one way, i.e., 39184994304 + 959140900 = 197952^2 + 30970^2 .

It is a super-2 number, since 2×40144135204² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5018016897 + ... + 5018016904.

Almost surely, 2^40144135204 is an apocalyptic number.

It is an amenable number.

40144135204 is a deficient number, since it is larger than the sum of its proper divisors (30108101410).

40144135204 is a wasteful number, since it uses less digits than its factorization.

40144135204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10036033805 (or 10036033803 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 40144135204 its reverse (40253144104), we get a palindrome (80397279308).

It can be divided in two parts, 401441 and 35204, that added together give a triangular number (436645 = T₉₃₄).

The spelling of 40144135204 in words is "forty billion, one hundred forty-four million, one hundred thirty-five thousand, two hundred four".