2478751770 has 128 divisors (see below), whose sum is σ = 6674088960. Its totient is φ = 583994880.

The previous prime is 2478751747. The next prime is 2478751777. The reversal of 2478751770 is 771578742.

It is a super-2 number, since 2×2478751770² = 12288420674556265800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2478751777) 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, 4356046 + ... + 4356614.

It is an arithmetic number, because the mean of its divisors is an integer number (52141320).

Almost surely, 2^2478751770 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2478751770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3337044480).

2478751770 is an abundant number, since it is smaller than the sum of its proper divisors (4195337190).

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

2478751770 is a wasteful number, since it uses less digits than its factorization.

2478751770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 940.

The product of its (nonzero) digits is 768320, while the sum is 48.

The square root of 2478751770 is about 49787.0642838077. The cubic root of 2478751770 is about 1353.3527583554.

The spelling of 2478751770 in words is "two billion, four hundred seventy-eight million, seven hundred fifty-one thousand, seven hundred seventy".