42422121400 has 48 divisors (see below), whose sum is σ = 99040803840. Its totient is φ = 16898419200.

The previous prime is 42422121383. The next prime is 42422121407. The reversal of 42422121400 is 412122424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42422121407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 391864 + ... + 488263.

It is an arithmetic number, because the mean of its divisors is an integer number (2063350080).

Almost surely, 2^42422121400 is an apocalyptic number.

42422121400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42422121400 is an abundant number, since it is smaller than the sum of its proper divisors (56618682440).

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

42422121400 is a wasteful number, since it uses less digits than its factorization.

42422121400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880384 (or 880375 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 42422121400 its product of nonzero digits (1024), we get a palindrome (42422122424).

Adding to 42422121400 its reverse (412122424), we get a palindrome (42834243824).

The spelling of 42422121400 in words is "forty-two billion, four hundred twenty-two million, one hundred twenty-one thousand, four hundred".