2026550421 has 80 divisors (see below), whose sum is σ = 3676928640. Its totient is φ = 1087551360.

The previous prime is 2026550377. The next prime is 2026550437. The reversal of 2026550421 is 1240556202.

2026550421 is a `hidden beast` number, since 2 + 0 + 2 + 655 + 0 + 4 + 2 + 1 = 666.

It is not a de Polignac number, because 2026550421 - 2¹¹ = 2026548373 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2026550221) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 606726 + ... + 610056.

It is an arithmetic number, because the mean of its divisors is an integer number (45961608).

Almost surely, 2^2026550421 is an apocalyptic number.

2026550421 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2026550421 is a deficient number, since it is larger than the sum of its proper divisors (1650378219).

2026550421 is a wasteful number, since it uses less digits than its factorization.

2026550421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3416 (or 3407 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 2026550421 is about 45017.2236038608. The cubic root of 2026550421 is about 1265.4717984766.

The spelling of 2026550421 in words is "two billion, twenty-six million, five hundred fifty thousand, four hundred twenty-one".