6240287658 has 64 divisors (see below), whose sum is σ = 14010071040. Its totient is φ = 1836566400.

The previous prime is 6240287593. The next prime is 6240287663. The reversal of 6240287658 is 8567820426.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 609183 + ... + 619341.

It is an arithmetic number, because the mean of its divisors is an integer number (218907360).

Almost surely, 2^6240287658 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6240287658, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7005035520).

6240287658 is an abundant number, since it is smaller than the sum of its proper divisors (7769783382).

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

6240287658 is a wasteful number, since it uses less digits than its factorization.

6240287658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10443.

The product of its (nonzero) digits is 1290240, while the sum is 48.

The square root of 6240287658 is about 78995.4913776729. The cubic root of 6240287658 is about 1841.0611060160.

The spelling of 6240287658 in words is "six billion, two hundred forty million, two hundred eighty-seven thousand, six hundred fifty-eight".