42121242468370 has 32 divisors (see below), whose sum is σ = 85200426243072. Its totient is φ = 14876264897472.

The previous prime is 42121242468367. The next prime is 42121242468377. The reversal of 42121242468370 is 7386424212124.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a self number, because there is not a number n which added to its sum of digits gives 42121242468370.

It is not an unprimeable number, because it can be changed into a prime (42121242468377) 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, 7043683042 + ... + 7043689021.

It is an arithmetic number, because the mean of its divisors is an integer number (2662513320096).

Almost surely, 2^{42121242468370} is an apocalyptic number.

42121242468370 is an abundant number, since it is smaller than the sum of its proper divisors (43079183774702).

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

42121242468370 is a wasteful number, since it uses less digits than its factorization.

42121242468370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14087372106.

The product of its (nonzero) digits is 1032192, while the sum is 46.

The spelling of 42121242468370 in words is "forty-two trillion, one hundred twenty-one billion, two hundred forty-two million, four hundred sixty-eight thousand, three hundred seventy".