40677407747438 has 32 divisors (see below), whose sum is σ = 77319117831168. Its totient is φ = 15588531813600.

The previous prime is 40677407747437. The next prime is 40677407747531. The reversal of 40677407747438 is 83474770477604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40677407747437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2165064470 + ... + 2165083257.

It is an arithmetic number, because the mean of its divisors is an integer number (2416222432224).

Almost surely, 2^{40677407747438} is an apocalyptic number.

40677407747438 is a deficient number, since it is larger than the sum of its proper divisors (36641710083730).

40677407747438 is a wasteful number, since it uses less digits than its factorization.

40677407747438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4330147808.

The product of its (nonzero) digits is 619573248, while the sum is 68.

The spelling of 40677407747438 in words is "forty trillion, six hundred seventy-seven billion, four hundred seven million, seven hundred forty-seven thousand, four hundred thirty-eight".