2261637342 has 32 divisors (see below), whose sum is σ = 5108259360. Its totient is φ = 741519360.

The previous prime is 2261637293. The next prime is 2261637361. The reversal of 2261637342 is 2437361622.

2261637342 is a `hidden beast` number, since 2 + 2 + 616 + 3 + 7 + 34 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 2261637297 and 2261637306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 340003 + ... + 346590.

It is an arithmetic number, because the mean of its divisors is an integer number (159633105).

Almost surely, 2^2261637342 is an apocalyptic number.

2261637342 is an abundant number, since it is smaller than the sum of its proper divisors (2846622018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2261637342 is a wasteful number, since it uses less digits than its factorization.

2261637342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686665 (or 686659 counting only the distinct ones).

The product of its digits is 72576, while the sum is 36.

The square root of 2261637342 is about 47556.6750519840. The cubic root of 2261637342 is about 1312.6259588503.

Adding to 2261637342 its reverse (2437361622), we get a palindrome (4698998964).

The spelling of 2261637342 in words is "two billion, two hundred sixty-one million, six hundred thirty-seven thousand, three hundred forty-two".