42006626402 has 32 divisors (see below), whose sum is σ = 68369509488. Its totient is φ = 19241680896.

The previous prime is 42006626381. The next prime is 42006626437. The reversal of 42006626402 is 20462660024.

It can be written as a sum of positive squares in 8 ways, for example, as 9757290841 + 32249335561 = 98779^2 + 179581^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2163128 + ... + 2182460.

Almost surely, 2^42006626402 is an apocalyptic number.

42006626402 is a deficient number, since it is larger than the sum of its proper divisors (26362883086).

42006626402 is a wasteful number, since it uses less digits than its factorization.

42006626402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19974.

The product of its (nonzero) digits is 27648, while the sum is 32.

The spelling of 42006626402 in words is "forty-two billion, six million, six hundred twenty-six thousand, four hundred two".