2107455780 has 96 divisors (see below), whose sum is σ = 5982326784. Its totient is φ = 554287104.

The previous prime is 2107455767. The next prime is 2107455797. The reversal of 2107455780 is 875547012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1469944 + ... + 1471376.

It is an arithmetic number, because the mean of its divisors is an integer number (62315904).

Almost surely, 2^2107455780 is an apocalyptic number.

2107455780 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 2107455780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2991163392).

2107455780 is an abundant number, since it is smaller than the sum of its proper divisors (3874871004).

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

2107455780 is a wasteful number, since it uses less digits than its factorization.

2107455780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1765 (or 1763 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 39.

The square root of 2107455780 is about 45907.0341015405. The cubic root of 2107455780 is about 1282.0928855348.

The spelling of 2107455780 in words is "two billion, one hundred seven million, four hundred fifty-five thousand, seven hundred eighty".