42741800621338 has 32 divisors (see below), whose sum is σ = 78913159678080. Its totient is φ = 16907725615680.

The previous prime is 42741800621323. The next prime is 42741800621347. The reversal of 42741800621338 is 83312600814724.

It is a junction number, because it is equal to n+sod(n) for n = 42741800621291 and 42741800621300.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5006553 + ... + 10514236.

It is an arithmetic number, because the mean of its divisors is an integer number (2466036239940).

Almost surely, 2^{42741800621338} is an apocalyptic number.

42741800621338 is a deficient number, since it is larger than the sum of its proper divisors (36171359056742).

42741800621338 is a wasteful number, since it uses less digits than its factorization.

42741800621338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15535942.

The product of its (nonzero) digits is 1548288, while the sum is 49.

The spelling of 42741800621338 in words is "forty-two trillion, seven hundred forty-one billion, eight hundred million, six hundred twenty-one thousand, three hundred thirty-eight".