40040004070 has 16 divisors (see below), whose sum is σ = 78624008208. Its totient is φ = 14560001440.

The previous prime is 40040004031. The next prime is 40040004091. The reversal of 40040004070 is 7040004004.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 181999909 + ... + 182000128.

It is an arithmetic number, because the mean of its divisors is an integer number (4914000513).

Almost surely, 2^40040004070 is an apocalyptic number.

40040004070 is a deficient number, since it is larger than the sum of its proper divisors (38584004138).

40040004070 is a wasteful number, since it uses less digits than its factorization.

40040004070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364000055.

The product of its (nonzero) digits is 448, while the sum is 19.

Adding to 40040004070 its reverse (7040004004), we get a palindrome (47080008074).

The spelling of 40040004070 in words is "forty billion, forty million, four thousand, seventy".