2062749780 has 288 divisors, whose sum is σ = 7944249600. Its totient is φ = 435082752.

The previous prime is 2062749761. The next prime is 2062749847. The reversal of 2062749780 is 879472602.

2062749780 is a `hidden beast` number, since 20 + 62 + 7 + 497 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 637206 + ... + 640434.

It is an arithmetic number, because the mean of its divisors is an integer number (27584200).

Almost surely, 2^2062749780 is an apocalyptic number.

2062749780 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 2062749780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3972124800).

2062749780 is an abundant number, since it is smaller than the sum of its proper divisors (5881499820).

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

2062749780 is a wasteful number, since it uses less digits than its factorization.

2062749780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3280 (or 3259 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 2062749780 is about 45417.5052155003. The cubic root of 2062749780 is about 1272.9622258227.

It can be divided in two parts, 20627 and 49780, that added together give a palindrome (70407).

The spelling of 2062749780 in words is "two billion, sixty-two million, seven hundred forty-nine thousand, seven hundred eighty".