8466690240 has 560 divisors, whose sum is σ = 31971227904. Its totient is φ = 2123366400.

The previous prime is 8466690233. The next prime is 8466690277. The reversal of 8466690240 is 420966648.

It is a super-2 number, since 2×8466690240² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 32944192 + ... + 32944448.

Almost surely, 2^8466690240 is an apocalyptic number.

8466690240 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 8466690240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15985613952).

8466690240 is an abundant number, since it is smaller than the sum of its proper divisors (23504537664).

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

8466690240 is a wasteful number, since it uses less digits than its factorization.

8466690240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358 (or 339 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The square root of 8466690240 is about 92014.6197079573. The cubic root of 8466690240 is about 2038.1581992343.

The spelling of 8466690240 in words is "eight billion, four hundred sixty-six million, six hundred ninety thousand, two hundred forty".