4138465460 has 24 divisors (see below), whose sum is σ = 8696438856. Its totient is φ = 1654307840.

The previous prime is 4138465459. The next prime is 4138465489. The reversal of 4138465460 is 645648314.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 858841636 + 3279623824 = 29306^2 + 57268^2 .

It is a super-2 number, since 2×4138465460² = 34253792727226023200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35561 + ... + 97680.

It is an arithmetic number, because the mean of its divisors is an integer number (362351619).

Almost surely, 2^4138465460 is an apocalyptic number.

It is an amenable number.

4138465460 is an abundant number, since it is smaller than the sum of its proper divisors (4557973396).

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

4138465460 is a wasteful number, since it uses less digits than its factorization.

4138465460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134803 (or 134801 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 41.

The square root of 4138465460 is about 64330.9059472972. The cubic root of 4138465460 is about 1605.5103574602.

The spelling of 4138465460 in words is "four billion, one hundred thirty-eight million, four hundred sixty-five thousand, four hundred sixty".