43394604442 has 16 divisors (see below), whose sum is σ = 74505744000. Its totient is φ = 18568939248.

The previous prime is 43394604373. The next prime is 43394604503. The reversal of 43394604442 is 24440649334.

It is a happy number.

It is a super-2 number, since 2×43394604442² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2386317 + ... + 2404432.

It is an arithmetic number, because the mean of its divisors is an integer number (4656609000).

Almost surely, 2^43394604442 is an apocalyptic number.

43394604442 is a deficient number, since it is larger than the sum of its proper divisors (31111139558).

43394604442 is a wasteful number, since it uses less digits than its factorization.

43394604442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4791405.

The product of its (nonzero) digits is 995328, while the sum is 43.

The spelling of 43394604442 in words is "forty-three billion, three hundred ninety-four million, six hundred four thousand, four hundred forty-two".