43402215242100 has 288 divisors, whose sum is σ = 147540532801536. Its totient is φ = 9711763545600.

The previous prime is 43402215242083. The next prime is 43402215242129. The reversal of 43402215242100 is 124251220434.

It is a happy number.

It is a super-2 number, since 2×43402215242100² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1143137317 + ... + 1143175283.

It is an arithmetic number, because the mean of its divisors is an integer number (512293516672).

Almost surely, 2^{43402215242100} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43402215242100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73770266400768).

43402215242100 is an abundant number, since it is smaller than the sum of its proper divisors (104138317559436).

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

43402215242100 is a wasteful number, since it uses less digits than its factorization.

43402215242100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64655 (or 64648 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 43402215242100 its reverse (124251220434), we get a palindrome (43526466462534).

The spelling of 43402215242100 in words is "forty-three trillion, four hundred two billion, two hundred fifteen million, two hundred forty-two thousand, one hundred".