40847329978 has 16 divisors (see below), whose sum is σ = 75410455680. Its totient is φ = 16159383216.

The previous prime is 40847329973. The next prime is 40847329979. The reversal of 40847329978 is 87992374804.

It is not an unprimeable number, because it can be changed into a prime (40847329973) 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, 112217758 + ... + 112218121.

It is an arithmetic number, because the mean of its divisors is an integer number (4713153480).

Almost surely, 2^40847329978 is an apocalyptic number.

40847329978 is a deficient number, since it is larger than the sum of its proper divisors (34563125702).

40847329978 is a wasteful number, since it uses less digits than its factorization.

40847329978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224435901.

The product of its (nonzero) digits is 24385536, while the sum is 61.

The spelling of 40847329978 in words is "forty billion, eight hundred forty-seven million, three hundred twenty-nine thousand, nine hundred seventy-eight".