40647339970 has 8 divisors (see below), whose sum is σ = 73165211964. Its totient is φ = 16258935984.

The previous prime is 40647339961. The next prime is 40647340049. The reversal of 40647339970 is 7993374604.

It can be written as a sum of positive squares in 2 ways, for example, as 39735239569 + 912100401 = 199337^2 + 30201^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2032366989 + ... + 2032367008.

Almost surely, 2^40647339970 is an apocalyptic number.

40647339970 is a deficient number, since it is larger than the sum of its proper divisors (32517871994).

40647339970 is a wasteful number, since it uses less digits than its factorization.

40647339970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4064734004.

The product of its (nonzero) digits is 3429216, while the sum is 52.

The spelling of 40647339970 in words is "forty billion, six hundred forty-seven million, three hundred thirty-nine thousand, nine hundred seventy".