40730878 has 16 divisors (see below), whose sum is σ = 64808640. Its totient is φ = 19132416.

The previous prime is 40730873. The next prime is 40730881. The reversal of 40730878 is 87803704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40730873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34750 + ... + 35902.

It is an arithmetic number, because the mean of its divisors is an integer number (4050540).

Almost surely, 2^40730878 is an apocalyptic number.

40730878 is a deficient number, since it is larger than the sum of its proper divisors (24077762).

40730878 is a wasteful number, since it uses less digits than its factorization.

40730878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2211.

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 40730878 is about 6382.0747410227. The cubic root of 40730878 is about 344.0656029111.

The spelling of 40730878 in words is "forty million, seven hundred thirty thousand, eight hundred seventy-eight".