26561624030 has 16 divisors (see below), whose sum is σ = 49459576320. Its totient is φ = 10258282272.

The previous prime is 26561624021. The next prime is 26561624069. The reversal of 26561624030 is 3042616562.

It is a happy number.

It is a super-2 number, since 2×26561624030² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45795614 + ... + 45796193.

It is an arithmetic number, because the mean of its divisors is an integer number (3091223520).

Almost surely, 2^26561624030 is an apocalyptic number.

26561624030 is a deficient number, since it is larger than the sum of its proper divisors (22897952290).

26561624030 is a wasteful number, since it uses less digits than its factorization.

26561624030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91591843.

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 26561624030 in words is "twenty-six billion, five hundred sixty-one million, six hundred twenty-four thousand, thirty".