43642226770 has 16 divisors (see below), whose sum is σ = 83176950168. Its totient is φ = 16430014720.

The previous prime is 43642226743. The next prime is 43642226807. The reversal of 43642226770 is 7762224634.

It can be written as a sum of positive squares in 4 ways, for example, as 41340242329 + 2301984441 = 203323^2 + 47979^2 .

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, 128359321 + ... + 128359660.

Almost surely, 2^43642226770 is an apocalyptic number.

43642226770 is a deficient number, since it is larger than the sum of its proper divisors (39534723398).

43642226770 is a wasteful number, since it uses less digits than its factorization.

43642226770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256719005.

The product of its (nonzero) digits is 677376, while the sum is 43.

The spelling of 43642226770 in words is "forty-three billion, six hundred forty-two million, two hundred twenty-six thousand, seven hundred seventy".