42620817900204 has 36 divisors (see below), whose sum is σ = 113406269853240. Its totient is φ = 13459205652480.

The previous prime is 42620817900203. The next prime is 42620817900239. The reversal of 42620817900204 is 40200971802624.

42620817900204 is a `hidden beast` number, since 4 + 2 + 620 + 8 + 17 + 9 + 0 + 0 + 2 + 0 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 42620817900204.

It is not an unprimeable number, because it can be changed into a prime (42620817900203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31155567957 + ... + 31155569324.

It is an arithmetic number, because the mean of its divisors is an integer number (3150174162590).

Almost surely, 2^{42620817900204} is an apocalyptic number.

It is an amenable number.

42620817900204 is an abundant number, since it is smaller than the sum of its proper divisors (70785451953036).

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

42620817900204 is a wasteful number, since it uses less digits than its factorization.

42620817900204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62311137310 (or 62311137305 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 42620817900204 in words is "forty-two trillion, six hundred twenty billion, eight hundred seventeen million, nine hundred thousand, two hundred four".