298948352640 has 128 divisors (see below), whose sum is σ = 1089026190720. Its totient is φ = 68331048960.

The previous prime is 298948352569. The next prime is 298948352641. The reversal of 298948352640 is 46253849892.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is not an unprimeable number, because it can be changed into a prime (298948352641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11108151 + ... + 11135030.

It is an arithmetic number, because the mean of its divisors is an integer number (8508017115).

Almost surely, 2^298948352640 is an apocalyptic number.

298948352640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

298948352640 is an abundant number, since it is smaller than the sum of its proper divisors (790077838080).

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

298948352640 is a wasteful number, since it uses less digits than its factorization.

298948352640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22243210 (or 22243198 counting only the distinct ones).

The product of its (nonzero) digits is 29859840, while the sum is 60.

The spelling of 298948352640 in words is "two hundred ninety-eight billion, nine hundred forty-eight million, three hundred fifty-two thousand, six hundred forty".