43042402 has 16 divisors (see below), whose sum is σ = 73620792. Its totient is φ = 18696960.

The previous prime is 43042397. The next prime is 43042411. The reversal of 43042402 is 20424034.

It can be written as a sum of positive squares in 4 ways, for example, as 40182921 + 2859481 = 6339^2 + 1691^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 43042402.

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, 48249 + ... + 49132.

Almost surely, 2^43042402 is an apocalyptic number.

43042402 is a deficient number, since it is larger than the sum of its proper divisors (30578390).

43042402 is a wasteful number, since it uses less digits than its factorization.

43042402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97413.

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

The square root of 43042402 is about 6560.6708498445. The cubic root of 43042402 is about 350.4549240874.

Adding to 43042402 its reverse (20424034), we get a palindrome (63466436).

The spelling of 43042402 in words is "forty-three million, forty-two thousand, four hundred two".