4136579581840 has 40 divisors (see below), whose sum is σ = 9623488253760. Its totient is φ = 1653609772416.

The previous prime is 4136579581829. The next prime is 4136579581907. The reversal of 4136579581840 is 481859756314.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×4136579581840² (a number of 26 digits) contains 22 as substring.

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, 15839364 + ... + 16098403.

It is an arithmetic number, because the mean of its divisors is an integer number (240587206344).

Almost surely, 2^{4136579581840} is an apocalyptic number.

4136579581840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4136579581840 is an abundant number, since it is smaller than the sum of its proper divisors (5486908671920).

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

4136579581840 is a wasteful number, since it uses less digits than its factorization.

4136579581840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31939399 (or 31939393 counting only the distinct ones).

The product of its (nonzero) digits is 29030400, while the sum is 61.

The spelling of 4136579581840 in words is "four trillion, one hundred thirty-six billion, five hundred seventy-nine million, five hundred eighty-one thousand, eight hundred forty".