42016350261 has 4 divisors (see below), whose sum is σ = 56021800352. Its totient is φ = 28010900172.

The previous prime is 42016350223. The next prime is 42016350281. The reversal of 42016350261 is 16205361024.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 42016350261 - 2⁶ = 42016350197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42016350281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7002725041 + ... + 7002725046.

It is an arithmetic number, because the mean of its divisors is an integer number (14005450088).

Almost surely, 2^42016350261 is an apocalyptic number.

It is an amenable number.

42016350261 is a deficient number, since it is larger than the sum of its proper divisors (14005450091).

42016350261 is a wasteful number, since it uses less digits than its factorization.

42016350261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14005450090.

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 42016350261 in words is "forty-two billion, sixteen million, three hundred fifty thousand, two hundred sixty-one".