40106738 has 16 divisors (see below), whose sum is σ = 69045504. Its totient is φ = 17115840.

The previous prime is 40106713. The next prime is 40106767. The reversal of 40106738 is 83760104.

It is a self number, because there is not a number n which added to its sum of digits gives 40106738.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2570 + ... + 9317.

It is an arithmetic number, because the mean of its divisors is an integer number (4315344).

Almost surely, 2^40106738 is an apocalyptic number.

40106738 is a deficient number, since it is larger than the sum of its proper divisors (28938766).

40106738 is a wasteful number, since it uses less digits than its factorization.

40106738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12137.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 40106738 is about 6332.9880783087. The cubic root of 40106738 is about 342.2991181768.

The spelling of 40106738 in words is "forty million, one hundred six thousand, seven hundred thirty-eight".