2050138506 has 32 divisors (see below), whose sum is σ = 4424616000. Its totient is φ = 629535744.

The previous prime is 2050138487. The next prime is 2050138507. The reversal of 2050138506 is 6058310502.

It is not an unprimeable number, because it can be changed into a prime (2050138507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12586 + ... + 65258.

It is an arithmetic number, because the mean of its divisors is an integer number (138269250).

Almost surely, 2^2050138506 is an apocalyptic number.

2050138506 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2050138506 is an abundant number, since it is smaller than the sum of its proper divisors (2374477494).

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

2050138506 is a wasteful number, since it uses less digits than its factorization.

2050138506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53190.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 2050138506 is about 45278.4552077475. The cubic root of 2050138506 is about 1270.3627017044.

The spelling of 2050138506 in words is "two billion, fifty million, one hundred thirty-eight thousand, five hundred six".