40981078047 has 32 divisors (see below), whose sum is σ = 67530158080. Its totient is φ = 21526663680.

The previous prime is 40981078031. The next prime is 40981078079. The reversal of 40981078047 is 74087018904.

It is not a de Polignac number, because 40981078047 - 2⁴ = 40981078031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40981077987 and 40981078005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40981078087) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 245647 + ... + 377232.

It is an arithmetic number, because the mean of its divisors is an integer number (2110317440).

Almost surely, 2^40981078047 is an apocalyptic number.

40981078047 is a deficient number, since it is larger than the sum of its proper divisors (26549080033).

40981078047 is a wasteful number, since it uses less digits than its factorization.

40981078047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623143.

The product of its (nonzero) digits is 451584, while the sum is 48.

The spelling of 40981078047 in words is "forty billion, nine hundred eighty-one million, seventy-eight thousand, forty-seven".