40070011605 has 64 divisors (see below), whose sum is σ = 70742918400. Its totient is φ = 19242510336.

The previous prime is 40070011571. The next prime is 40070011607. The reversal of 40070011605 is 50611007004.

It is not a de Polignac number, because 40070011605 - 2¹⁶ = 40069946069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40070011607) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7350921 + ... + 7356369.

It is an arithmetic number, because the mean of its divisors is an integer number (1105358100).

Almost surely, 2^40070011605 is an apocalyptic number.

It is an amenable number.

40070011605 is a deficient number, since it is larger than the sum of its proper divisors (30672906795).

40070011605 is a wasteful number, since it uses less digits than its factorization.

40070011605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6390.

The product of its (nonzero) digits is 840, while the sum is 24.

Adding to 40070011605 its reverse (50611007004), we get a palindrome (90681018609).

The spelling of 40070011605 in words is "forty billion, seventy million, eleven thousand, six hundred five".