42451696226261 has 8 divisors (see below), whose sum is σ = 50189197509120. Its totient is φ = 35132438256048.

The previous prime is 42451696226249. The next prime is 42451696226267. The reversal of 42451696226261 is 16262269615424.

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

It is not a de Polignac number, because 42451696226261 - 2⁴² = 38053649715157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42451696226197 and 42451696226206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42451696226267) 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, 104560827941 + ... + 104560828346.

It is an arithmetic number, because the mean of its divisors is an integer number (6273649688640).

Almost surely, 2^{42451696226261} is an apocalyptic number.

It is an amenable number.

42451696226261 is a deficient number, since it is larger than the sum of its proper divisors (7737501282859).

42451696226261 is a wasteful number, since it uses less digits than its factorization.

42451696226261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209121656323.

The product of its digits is 14929920, while the sum is 56.

The spelling of 42451696226261 in words is "forty-two trillion, four hundred fifty-one billion, six hundred ninety-six million, two hundred twenty-six thousand, two hundred sixty-one".