189835892480 has 72 divisors (see below), whose sum is σ = 489694504992. Its totient is φ = 70093246464.

The previous prime is 189835892461. The next prime is 189835892483. The reversal of 189835892480 is 84298538981.

It is a Harshad number since it is a multiple of its sum of digits (65).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189835892483) 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, 5687564 + ... + 5720843.

Almost surely, 2^189835892480 is an apocalyptic number.

189835892480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

189835892480 is an abundant number, since it is smaller than the sum of its proper divisors (299858612512).

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

189835892480 is a wasteful number, since it uses less digits than its factorization.

189835892480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11408441 (or 11408427 counting only the distinct ones).

The product of its (nonzero) digits is 39813120, while the sum is 65.

The spelling of 189835892480 in words is "one hundred eighty-nine billion, eight hundred thirty-five million, eight hundred ninety-two thousand, four hundred eighty".