770026240 has 144 divisors (see below), whose sum is σ = 1929372480. Its totient is φ = 294174720.

The previous prime is 770026217. The next prime is 770026259. The reversal of 770026240 is 42620077.

It is a junction number, because it is equal to n+sod(n) for n = 770026199 and 770026208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3362446 + ... + 3362674.

It is an arithmetic number, because the mean of its divisors is an integer number (13398420).

Almost surely, 2^770026240 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 770026240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (964686240).

770026240 is an abundant number, since it is smaller than the sum of its proper divisors (1159346240).

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

770026240 is a wasteful number, since it uses less digits than its factorization.

770026240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358 (or 344 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 770026240 is about 27749.3466589756. The cubic root of 770026240 is about 916.5760568656.

The spelling of 770026240 in words is "seven hundred seventy million, twenty-six thousand, two hundred forty".