43402042 has 8 divisors (see below), whose sum is σ = 68529600. Its totient is φ = 20558844.

The previous prime is 43402031. The next prime is 43402091. The reversal of 43402042 is 24020434.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 571042 + ... + 571117.

It is an arithmetic number, because the mean of its divisors is an integer number (8566200).

Almost surely, 2^43402042 is an apocalyptic number.

43402042 is a deficient number, since it is larger than the sum of its proper divisors (25127558).

43402042 is a wasteful number, since it uses less digits than its factorization.

43402042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142180.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 43402042 is about 6588.0226168404. The cubic root of 43402042 is about 351.4282913450.

Adding to 43402042 its reverse (24020434), we get a palindrome (67422476).

The spelling of 43402042 in words is "forty-three million, four hundred two thousand, forty-two".