40779650 has 24 divisors (see below), whose sum is σ = 76018944. Its totient is φ = 16275600.

The previous prime is 40779649. The next prime is 40779671. The reversal of 40779650 is 5697704.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40655 + ... + 41645.

It is an arithmetic number, because the mean of its divisors is an integer number (3167456).

Almost surely, 2^40779650 is an apocalyptic number.

40779650 is a deficient number, since it is larger than the sum of its proper divisors (35239294).

40779650 is a wasteful number, since it uses less digits than its factorization.

40779650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1826 (or 1821 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 40779650 is about 6385.8946123468. The cubic root of 40779650 is about 344.2028785684.

The spelling of 40779650 in words is "forty million, seven hundred seventy-nine thousand, six hundred fifty".