2026642656447 has 24 divisors (see below), whose sum is σ = 2982908073600. Its totient is φ = 1325554465488.

The previous prime is 2026642656407. The next prime is 2026642656463. The reversal of 2026642656447 is 7446562466202.

2026642656447 is a `hidden beast` number, since 20 + 266 + 4 + 265 + 64 + 47 = 666.

It is not a de Polignac number, because 2026642656447 - 2⁶ = 2026642656383 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2026642656393 and 2026642656402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2026642656407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3526797 + ... + 4060982.

It is an arithmetic number, because the mean of its divisors is an integer number (124287836400).

Almost surely, 2^{2026642656447} is an apocalyptic number.

2026642656447 is a deficient number, since it is larger than the sum of its proper divisors (956265417153).

2026642656447 is a wasteful number, since it uses less digits than its factorization.

2026642656447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7588347 (or 7588344 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 54.

The spelling of 2026642656447 in words is "two trillion, twenty-six billion, six hundred forty-two million, six hundred fifty-six thousand, four hundred forty-seven".