40004342036 has 6 divisors (see below), whose sum is σ = 70007598570. Its totient is φ = 20002171016.

The previous prime is 40004342023. The next prime is 40004342137. The reversal of 40004342036 is 63024340004.

It can be written as a sum of positive squares in only one way, i.e., 39565188100 + 439153936 = 198910^2 + 20956^2 .

It is a super-4 number, since 4×40004342036⁴ (a number of 44 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40004341996 and 40004342014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000542751 + ... + 5000542758.

It is an arithmetic number, because the mean of its divisors is an integer number (11667933095).

Almost surely, 2^40004342036 is an apocalyptic number.

It is an amenable number.

40004342036 is a deficient number, since it is larger than the sum of its proper divisors (30003256534).

40004342036 is a wasteful number, since it uses less digits than its factorization.

40004342036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10001085513 (or 10001085511 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

The spelling of 40004342036 in words is "forty billion, four million, three hundred forty-two thousand, thirty-six".