689770303040 has 672 divisors, whose sum is σ = 2177885001600. Its totient is φ = 205674577920.

The previous prime is 689770303031. The next prime is 689770303063. The reversal of 689770303040 is 40303077986.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 933382991 + ... + 933383729.

It is an arithmetic number, because the mean of its divisors is an integer number (3240900300).

Almost surely, 2^689770303040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 689770303040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1088942500800).

689770303040 is an abundant number, since it is smaller than the sum of its proper divisors (1488114698560).

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

689770303040 is a wasteful number, since it uses less digits than its factorization.

689770303040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043 (or 1026 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 47.

The spelling of 689770303040 in words is "six hundred eighty-nine billion, seven hundred seventy million, three hundred three thousand, forty".