26486400630 has 16 divisors (see below), whose sum is σ = 63567361584. Its totient is φ = 7063040160.

The previous prime is 26486400617. The next prime is 26486400649. The reversal of 26486400630 is 3600468462.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 441439981 + ... + 441440040.

It is an arithmetic number, because the mean of its divisors is an integer number (3972960099).

Almost surely, 2^26486400630 is an apocalyptic number.

26486400630 is an abundant number, since it is smaller than the sum of its proper divisors (37080960954).

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

26486400630 is a wasteful number, since it uses less digits than its factorization.

26486400630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882880031.

The product of its (nonzero) digits is 165888, while the sum is 39.

The spelling of 26486400630 in words is "twenty-six billion, four hundred eighty-six million, four hundred thousand, six hundred thirty".