769908040 has 64 divisors (see below), whose sum is σ = 1894181760. Its totient is φ = 279313920.

The previous prime is 769908001. The next prime is 769908043. The reversal of 769908040 is 40809967.

It is not an unprimeable number, because it can be changed into a prime (769908043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212484 + ... + 216076.

It is an arithmetic number, because the mean of its divisors is an integer number (29596590).

Almost surely, 2^769908040 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 769908040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (947090880).

769908040 is an abundant number, since it is smaller than the sum of its proper divisors (1124273720).

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

769908040 is a wasteful number, since it uses less digits than its factorization.

769908040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4102 (or 4098 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 769908040 is about 27747.2167973655. The cubic root of 769908040 is about 916.5291559385.

It can be divided in two parts, 769 and 908040, that added together give a palindrome (908809).

The spelling of 769908040 in words is "seven hundred sixty-nine million, nine hundred eight thousand, forty".