40070426 has 16 divisors (see below), whose sum is σ = 65670048. Its totient is φ = 18186000.

The previous prime is 40070423. The next prime is 40070447. The reversal of 40070426 is 62407004.

40070426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (40070423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22256 + ... + 23988.

It is an arithmetic number, because the mean of its divisors is an integer number (4104378).

Almost surely, 2^40070426 is an apocalyptic number.

40070426 is a deficient number, since it is larger than the sum of its proper divisors (25599622).

40070426 is a wasteful number, since it uses less digits than its factorization.

40070426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2797.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 40070426 is about 6330.1205359772. The cubic root of 40070426 is about 342.1957829330.

The spelling of 40070426 in words is "forty million, seventy thousand, four hundred twenty-six".