606382771440 has 40 divisors (see below), whose sum is σ = 1879786592208. Its totient is φ = 161702072320.

The previous prime is 606382771417. The next prime is 606382771469. The reversal of 606382771440 is 44177283606.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 606382771440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1263297201 + ... + 1263297680.

Almost surely, 2^606382771440 is an apocalyptic number.

606382771440 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

606382771440 is an abundant number, since it is smaller than the sum of its proper divisors (1273403820768).

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

606382771440 is a wasteful number, since it uses less digits than its factorization.

606382771440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2526594897 (or 2526594891 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 48.

The spelling of 606382771440 in words is "six hundred six billion, three hundred eighty-two million, seven hundred seventy-one thousand, four hundred forty".