42051235405044 has 48 divisors (see below), whose sum is σ = 105152795491968. Its totient is φ = 13045271614848.

The previous prime is 42051235405043. The next prime is 42051235405051. The reversal of 42051235405044 is 44050453215024.

42051235405044 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 42051235404993 and 42051235405011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42051235405043) 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, 2058902607 + ... + 2058923030.

It is an arithmetic number, because the mean of its divisors is an integer number (2190683239416).

Almost surely, 2^{42051235405044} is an apocalyptic number.

It is an amenable number.

42051235405044 is an abundant number, since it is smaller than the sum of its proper divisors (63101560086924).

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

42051235405044 is a wasteful number, since it uses less digits than its factorization.

42051235405044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4117825704 (or 4117825702 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 39.

The spelling of 42051235405044 in words is "forty-two trillion, fifty-one billion, two hundred thirty-five million, four hundred five thousand, forty-four".