3940426073 has 16 divisors (see below), whose sum is σ = 4296499200. Its totient is φ = 3599116800.

The previous prime is 3940426057. The next prime is 3940426103. The reversal of 3940426073 is 3706240493.

It is a cyclic number.

It is not a de Polignac number, because 3940426073 - 2⁴ = 3940426057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3940426013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118328 + ... + 147926.

It is an arithmetic number, because the mean of its divisors is an integer number (268531200).

Almost surely, 2^3940426073 is an apocalyptic number.

It is an amenable number.

3940426073 is a deficient number, since it is larger than the sum of its proper divisors (356073127).

3940426073 is a wasteful number, since it uses less digits than its factorization.

3940426073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29848.

The product of its (nonzero) digits is 108864, while the sum is 38.

The square root of 3940426073 is about 62772.8131678038. The cubic root of 3940426073 is about 1579.4809587360.

The spelling of 3940426073 in words is "three billion, nine hundred forty million, four hundred twenty-six thousand, seventy-three".