914880666240 has 320 divisors, whose sum is σ = 3268821897000. Its totient is φ = 243847397376.

The previous prime is 914880666211. The next prime is 914880666331. The reversal of 914880666240 is 42666088419.

It can be written as a sum of positive squares in 4 ways, for example, as 735464038464 + 179416627776 = 857592^2 + 423576^2 .

It is a tau number, because it is divible by the number of its divisors (320).

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 164278176 + ... + 164283744.

Almost surely, 2^914880666240 is an apocalyptic number.

914880666240 is a gapful number since it is divisible by the number (90) 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 914880666240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1634410948500).

914880666240 is an abundant number, since it is smaller than the sum of its proper divisors (2353941230760).

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

914880666240 is a wasteful number, since it uses less digits than its factorization.

914880666240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8769 (or 8748 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 54.

The spelling of 914880666240 in words is "nine hundred fourteen billion, eight hundred eighty million, six hundred sixty-six thousand, two hundred forty".