42190628649 has 8 divisors (see below), whose sum is σ = 60581415552. Its totient is φ = 25963463760.

The previous prime is 42190628639. The next prime is 42190628663. The reversal of 42190628649 is 94682609124.

42190628649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 42190628649 - 2⁴ = 42190628633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42190628639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 540905457 + ... + 540905534.

It is an arithmetic number, because the mean of its divisors is an integer number (7572676944).

Almost surely, 2^42190628649 is an apocalyptic number.

It is an amenable number.

42190628649 is a deficient number, since it is larger than the sum of its proper divisors (18390786903).

42190628649 is a wasteful number, since it uses less digits than its factorization.

42190628649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081811007.

The product of its (nonzero) digits is 1492992, while the sum is 51.

The spelling of 42190628649 in words is "forty-two billion, one hundred ninety million, six hundred twenty-eight thousand, six hundred forty-nine".