1490771718 has 48 divisors (see below), whose sum is σ = 3423288960. Its totient is φ = 467244288.

The previous prime is 1490771717. The next prime is 1490771729. The reversal of 1490771718 is 8171770941.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1490771713) 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 23 ways as a sum of consecutive naturals, for example, 477948 + ... + 481056.

It is an arithmetic number, because the mean of its divisors is an integer number (71318520).

Almost surely, 2^1490771718 is an apocalyptic number.

1490771718 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1490771718 is an abundant number, since it is smaller than the sum of its proper divisors (1932517242).

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

1490771718 is a wasteful number, since it uses less digits than its factorization.

1490771718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4701 (or 4698 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 45.

The square root of 1490771718 is about 38610.5130502043. The cubic root of 1490771718 is about 1142.3619128709.

The spelling of 1490771718 in words is "one billion, four hundred ninety million, seven hundred seventy-one thousand, seven hundred eighteen".