70543543221400 has 96 divisors (see below), whose sum is σ = 164105451378000. Its totient is φ = 28201643205120.

The previous prime is 70543543221383. The next prime is 70543543221407. The reversal of 70543543221400 is 412234534507.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70543543221407) 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, 3670500991 + ... + 3670520209.

Almost surely, 2^{70543543221400} is an apocalyptic number.

It is an amenable number.

70543543221400 is an abundant number, since it is smaller than the sum of its proper divisors (93561908156600).

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

70543543221400 is a wasteful number, since it uses less digits than its factorization.

70543543221400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28541 (or 28532 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 40.

Adding to 70543543221400 its reverse (412234534507), we get a palindrome (70955777755907).

The spelling of 70543543221400 in words is "seventy trillion, five hundred forty-three billion, five hundred forty-three million, two hundred twenty-one thousand, four hundred".