43342021401 has 48 divisors (see below), whose sum is σ = 68628018240. Its totient is φ = 24253326720.

The previous prime is 43342021397. The next prime is 43342021403. The reversal of 43342021401 is 10412024334.

It is not a de Polignac number, because 43342021401 - 2² = 43342021397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43342021403) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2042890 + ... + 2063996.

It is an arithmetic number, because the mean of its divisors is an integer number (1429750380).

Almost surely, 2^43342021401 is an apocalyptic number.

It is an amenable number.

43342021401 is a deficient number, since it is larger than the sum of its proper divisors (25285996839).

43342021401 is a wasteful number, since it uses less digits than its factorization.

43342021401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21414 (or 21407 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 43342021401 its reverse (10412024334), we get a palindrome (53754045735).

The spelling of 43342021401 in words is "forty-three billion, three hundred forty-two million, twenty-one thousand, four hundred one".