42991960441 has 8 divisors (see below), whose sum is σ = 44571157344. Its totient is φ = 41438030880.

The previous prime is 42991960393. The next prime is 42991960481. The reversal of 42991960441 is 14406919924.

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

It is not a de Polignac number, because 42991960441 - 2²³ = 42983571833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42991960481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6313371 + ... + 6320176.

It is an arithmetic number, because the mean of its divisors is an integer number (5571394668).

Almost surely, 2^42991960441 is an apocalyptic number.

42991960441 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

42991960441 is a deficient number, since it is larger than the sum of its proper divisors (1579196903).

42991960441 is a wasteful number, since it uses less digits than its factorization.

42991960441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12633671.

The product of its (nonzero) digits is 559872, while the sum is 49.

The spelling of 42991960441 in words is "forty-two billion, nine hundred ninety-one million, nine hundred sixty thousand, four hundred forty-one".