42741800621340 has 96 divisors (see below), whose sum is σ = 122237013233664. Its totient is φ = 11154060864000.

The previous prime is 42741800621323. The next prime is 42741800621347. The reversal of 42741800621340 is 4312600814724.

It is a junction number, because it is equal to n+sod(n) for n = 42741800621292 and 42741800621301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42741800621347) 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, 24540877 + ... + 26224763.

It is an arithmetic number, because the mean of its divisors is an integer number (1273302221184).

Almost surely, 2^{42741800621340} is an apocalyptic number.

It is an amenable number.

42741800621340 is an abundant number, since it is smaller than the sum of its proper divisors (79495212612324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42741800621340 is a wasteful number, since it uses less digits than its factorization.

42741800621340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1692947 (or 1692945 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 42.

The spelling of 42741800621340 in words is "forty-two trillion, seven hundred forty-one billion, eight hundred million, six hundred twenty-one thousand, three hundred forty".