40040826242 has 4 divisors (see below), whose sum is σ = 60061239366. Its totient is φ = 20020413120.

The previous prime is 40040826151. The next prime is 40040826277. The reversal of 40040826242 is 24262804004.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 38510530081 + 1530296161 = 196241^2 + 39119^2 .

It is a super-2 number, since 2×40040826242² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40040826199 and 40040826208.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10010206559 + ... + 10010206562.

Almost surely, 2^40040826242 is an apocalyptic number.

40040826242 is a deficient number, since it is larger than the sum of its proper divisors (20020413124).

40040826242 is a wasteful number, since it uses less digits than its factorization.

40040826242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20020413123.

The product of its (nonzero) digits is 24576, while the sum is 32.

The spelling of 40040826242 in words is "forty billion, forty million, eight hundred twenty-six thousand, two hundred forty-two".