40495579970 has 32 divisors (see below), whose sum is σ = 76080850560. Its totient is φ = 15489971200.

The previous prime is 40495579937. The next prime is 40495579973. The reversal of 40495579970 is 7997559404.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40495579973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 965945 + ... + 1006995.

It is an arithmetic number, because the mean of its divisors is an integer number (2377526580).

Almost surely, 2^40495579970 is an apocalyptic number.

40495579970 is a deficient number, since it is larger than the sum of its proper divisors (35585270590).

40495579970 is a wasteful number, since it uses less digits than its factorization.

40495579970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45370.

The product of its (nonzero) digits is 14288400, while the sum is 59.

The spelling of 40495579970 in words is "forty billion, four hundred ninety-five million, five hundred seventy-nine thousand, nine hundred seventy".