42377815720438 has 16 divisors (see below), whose sum is σ = 69345797860800. Its totient is φ = 19262565390600.

The previous prime is 42377815720423. The next prime is 42377815720441. The reversal of 42377815720438 is 83402751877324.

42377815720438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1829293 + ... + 9386263.

It is an arithmetic number, because the mean of its divisors is an integer number (4334112366300).

Almost surely, 2^{42377815720438} is an apocalyptic number.

42377815720438 is a deficient number, since it is larger than the sum of its proper divisors (26967982140362).

42377815720438 is a wasteful number, since it uses less digits than its factorization.

42377815720438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7811883.

The product of its (nonzero) digits is 63221760, while the sum is 61.

The spelling of 42377815720438 in words is "forty-two trillion, three hundred seventy-seven billion, eight hundred fifteen million, seven hundred twenty thousand, four hundred thirty-eight".