245658039088 has 120 divisors (see below), whose sum is σ = 604070427296. Its totient is φ = 94723706880.

The previous prime is 245658039047. The next prime is 245658039089. The reversal of 245658039088 is 880930856542.

It is a super-2 number, since 2×245658039088² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (245658039089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1221106 + ... + 1407982.

Almost surely, 2^245658039088 is an apocalyptic number.

245658039088 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245658039088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (302035213648).

245658039088 is an abundant number, since it is smaller than the sum of its proper divisors (358412388208).

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

245658039088 is a wasteful number, since it uses less digits than its factorization.

245658039088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187011 (or 186994 counting only the distinct ones).

The product of its (nonzero) digits is 16588800, while the sum is 58.

The spelling of 245658039088 in words is "two hundred forty-five billion, six hundred fifty-eight million, thirty-nine thousand, eighty-eight".