40010252426 has 4 divisors (see below), whose sum is σ = 60015378642. Its totient is φ = 20005126212.

The previous prime is 40010252423. The next prime is 40010252431. The reversal of 40010252426 is 62425201004.

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., 35124382225 + 4885870201 = 187415^2 + 69899^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40010252395 and 40010252404.

It is not an unprimeable number, because it can be changed into a prime (40010252423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10002563105 + ... + 10002563108.

Almost surely, 2^40010252426 is an apocalyptic number.

40010252426 is a deficient number, since it is larger than the sum of its proper divisors (20005126216).

40010252426 is a wasteful number, since it uses less digits than its factorization.

40010252426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20005126215.

The product of its (nonzero) digits is 3840, while the sum is 26.

The spelling of 40010252426 in words is "forty billion, ten million, two hundred fifty-two thousand, four hundred twenty-six".