40426440622 has 4 divisors (see below), whose sum is σ = 60639660936. Its totient is φ = 20213220310.

The previous prime is 40426440559. The next prime is 40426440629. The reversal of 40426440622 is 22604462404.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40426440629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10106610154 + ... + 10106610157.

It is an arithmetic number, because the mean of its divisors is an integer number (15159915234).

Almost surely, 2^40426440622 is an apocalyptic number.

40426440622 is a deficient number, since it is larger than the sum of its proper divisors (20213220314).

40426440622 is a wasteful number, since it uses less digits than its factorization.

40426440622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20213220313.

The product of its (nonzero) digits is 73728, while the sum is 34.

The spelling of 40426440622 in words is "forty billion, four hundred twenty-six million, four hundred forty thousand, six hundred twenty-two".