869080998240 has 1920 divisors, whose sum is σ = 3903709759488. Its totient is φ = 177248010240.

The previous prime is 869080998209. The next prime is 869080998251. The reversal of 869080998240 is 42899080968.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 8122252267 + ... + 8122252373.

Almost surely, 2^869080998240 is an apocalyptic number.

869080998240 is a gapful number since it is divisible by the number (80) 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 869080998240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1951854879744).

869080998240 is an abundant number, since it is smaller than the sum of its proper divisors (3034628761248).

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

869080998240 is a wasteful number, since it uses less digits than its factorization.

869080998240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322 (or 305 counting only the distinct ones).

The product of its (nonzero) digits is 17915904, while the sum is 63.

The spelling of 869080998240 in words is "eight hundred sixty-nine billion, eighty million, nine hundred ninety-eight thousand, two hundred forty".