2261407063548 has 24 divisors (see below), whose sum is σ = 5277804765520. Its totient is φ = 753632599680.

The previous prime is 2261407063501. The next prime is 2261407063561. The reversal of 2261407063548 is 8453607041622.

It is a super-2 number, since 2×2261407063548² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2261407063497 and 2261407063506.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21163843 + ... + 21270426.

Almost surely, 2^{2261407063548} is an apocalyptic number.

It is an amenable number.

2261407063548 is an abundant number, since it is smaller than the sum of its proper divisors (3016397701972).

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

2261407063548 is a wasteful number, since it uses less digits than its factorization.

2261407063548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42438717 (or 42438715 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 48.

The spelling of 2261407063548 in words is "two trillion, two hundred sixty-one billion, four hundred seven million, sixty-three thousand, five hundred forty-eight".