42404662420 has 48 divisors (see below), whose sum is σ = 93059543808. Its totient is φ = 16214889600.

The previous prime is 42404662411. The next prime is 42404662427. The reversal of 42404662420 is 2426640424.

42404662420 = T₂₅₅₇₆ + T₂₅₅₇₇ + ... + T₂₅₇₀₄.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42404662427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 484131 + ... + 564970.

It is an arithmetic number, because the mean of its divisors is an integer number (1938740496).

Almost surely, 2^42404662420 is an apocalyptic number.

It is an amenable number.

42404662420 is an abundant number, since it is smaller than the sum of its proper divisors (50654881388).

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

42404662420 is a wasteful number, since it uses less digits than its factorization.

42404662420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049200 (or 1049198 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 34.

The spelling of 42404662420 in words is "forty-two billion, four hundred four million, six hundred sixty-two thousand, four hundred twenty".