2026177980 has 192 divisors, whose sum is σ = 6258954240. Its totient is φ = 487526400.

The previous prime is 2026177973. The next prime is 2026177981. The reversal of 2026177980 is 897716202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2026177981) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4394950 + ... + 4395410.

It is an arithmetic number, because the mean of its divisors is an integer number (32598720).

Almost surely, 2^2026177980 is an apocalyptic number.

2026177980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2026177980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3129477120).

2026177980 is an abundant number, since it is smaller than the sum of its proper divisors (4232776260).

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

2026177980 is a wasteful number, since it uses less digits than its factorization.

2026177980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660 (or 658 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 2026177980 is about 45013.0867637402. The cubic root of 2026177980 is about 1265.3942705992.

The spelling of 2026177980 in words is "two billion, twenty-six million, one hundred seventy-seven thousand, nine hundred eighty".