42719620542 has 16 divisors (see below), whose sum is σ = 85916557440. Its totient is φ = 14160320792.

The previous prime is 42719620511. The next prime is 42719620553. The reversal of 42719620542 is 24502691724.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 42719620494 and 42719620503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19887018 + ... + 19889165.

It is an arithmetic number, because the mean of its divisors is an integer number (5369784840).

Almost surely, 2^42719620542 is an apocalyptic number.

42719620542 is an abundant number, since it is smaller than the sum of its proper divisors (43196936898).

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

42719620542 is a wasteful number, since it uses less digits than its factorization.

42719620542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39776367.

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 42719620542 in words is "forty-two billion, seven hundred nineteen million, six hundred twenty thousand, five hundred forty-two".