6115379408 has 40 divisors (see below), whose sum is σ = 12277130880. Its totient is φ = 2947432320.

The previous prime is 6115379407. The next prime is 6115379419. The reversal of 6115379408 is 8049735116.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6115379407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282341 + ... + 303227.

It is an arithmetic number, because the mean of its divisors is an integer number (306928272).

Almost surely, 2^6115379408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6115379408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6138565440).

6115379408 is an abundant number, since it is smaller than the sum of its proper divisors (6161751472).

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

6115379408 is a wasteful number, since it uses less digits than its factorization.

6115379408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21555 (or 21549 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 6115379408 is about 78200.8913504188. The cubic root of 6115379408 is about 1828.6944023463.

The spelling of 6115379408 in words is "six billion, one hundred fifteen million, three hundred seventy-nine thousand, four hundred eight".