2540051020 has 96 divisors (see below), whose sum is σ = 5842622016. Its totient is φ = 921984000.

The previous prime is 2540050969. The next prime is 2540051051. The reversal of 2540051020 is 201500452.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5172975 + ... + 5173465.

It is an arithmetic number, because the mean of its divisors is an integer number (60860646).

Almost surely, 2^2540051020 is an apocalyptic number.

2540051020 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 2540051020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2921311008).

2540051020 is an abundant number, since it is smaller than the sum of its proper divisors (3302570996).

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

2540051020 is a wasteful number, since it uses less digits than its factorization.

2540051020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811 (or 809 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 2540051020 is about 50398.9188376100. The cubic root of 2540051020 is about 1364.4181251537.

Adding to 2540051020 its reverse (201500452), we get a palindrome (2741551472).

It can be divided in two parts, 254005 and 1020, that added together give a square (255025 = 505²).

The spelling of 2540051020 in words is "two billion, five hundred forty million, fifty-one thousand, twenty".