42322532721400 has 96 divisors (see below), whose sum is σ = 99420901722000. Its totient is φ = 16753808332800.

The previous prime is 42322532721367. The next prime is 42322532721407. The reversal of 42322532721400 is 412723522324.

It is a self number, because there is not a number n which added to its sum of digits gives 42322532721400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42322532721407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13522051 + ... + 16355149.

Almost surely, 2^{42322532721400} is an apocalyptic number.

42322532721400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42322532721400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49710450861000).

42322532721400 is an abundant number, since it is smaller than the sum of its proper divisors (57098369000600).

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

42322532721400 is a wasteful number, since it uses less digits than its factorization.

42322532721400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2833889 (or 2833880 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 37.

The spelling of 42322532721400 in words is "forty-two trillion, three hundred twenty-two billion, five hundred thirty-two million, seven hundred twenty-one thousand, four hundred".