761081440 has 48 divisors (see below), whose sum is σ = 2054922912. Its totient is φ = 260941824.

The previous prime is 761081417. The next prime is 761081441. The reversal of 761081440 is 44180167.

761081440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (761081441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 338649 + ... + 340888.

It is an arithmetic number, because the mean of its divisors is an integer number (42810894).

Almost surely, 2^761081440 is an apocalyptic number.

761081440 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

761081440 is an abundant number, since it is smaller than the sum of its proper divisors (1293841472).

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

761081440 is a wasteful number, since it uses less digits than its factorization.

761081440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679559 (or 679551 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 761081440 is about 27587.7045076244. The cubic root of 761081440 is about 913.0131732845.

The spelling of 761081440 in words is "seven hundred sixty-one million, eighty-one thousand, four hundred forty".