2562136420 has 12 divisors (see below), whose sum is σ = 5380486524. Its totient is φ = 1024854560.

The previous prime is 2562136417. The next prime is 2562136429. The reversal of 2562136420 is 246312652.

It can be written as a sum of positive squares in 2 ways, for example, as 1973491776 + 588644644 = 44424^2 + 24262^2 .

It is not an unprimeable number, because it can be changed into a prime (2562136429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64053391 + ... + 64053430.

It is an arithmetic number, because the mean of its divisors is an integer number (448373877).

Almost surely, 2^2562136420 is an apocalyptic number.

2562136420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2562136420 is an abundant number, since it is smaller than the sum of its proper divisors (2818350104).

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

2562136420 is a wasteful number, since it uses less digits than its factorization.

2562136420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128106830 (or 128106828 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 2562136420 is about 50617.5505136311. The cubic root of 2562136420 is about 1368.3611959903.

The spelling of 2562136420 in words is "two billion, five hundred sixty-two million, one hundred thirty-six thousand, four hundred twenty".