4138620870 has 32 divisors (see below), whose sum is σ = 9976462848. Its totient is φ = 1098768608.

The previous prime is 4138620821. The next prime is 4138620877. The reversal of 4138620870 is 780268314.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4138620877) 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, 297054 + ... + 310673.

It is an arithmetic number, because the mean of its divisors is an integer number (311764464).

Almost surely, 2^4138620870 is an apocalyptic number.

4138620870 is an abundant number, since it is smaller than the sum of its proper divisors (5837841978).

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

4138620870 is a wasteful number, since it uses less digits than its factorization.

4138620870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607964.

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 4138620870 is about 64332.1138312740. The cubic root of 4138620870 is about 1605.5304542202.

The spelling of 4138620870 in words is "four billion, one hundred thirty-eight million, six hundred twenty thousand, eight hundred seventy".