1486640790 has 40 divisors (see below), whose sum is σ = 3997414080. Its totient is φ = 396437328.

The previous prime is 1486640777. The next prime is 1486640809. The reversal of 1486640790 is 970466841.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 916870 + ... + 918489.

It is an arithmetic number, because the mean of its divisors is an integer number (99935352).

Almost surely, 2^1486640790 is an apocalyptic number.

1486640790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1486640790 is an abundant number, since it is smaller than the sum of its proper divisors (2510773290).

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

1486640790 is a wasteful number, since it uses less digits than its factorization.

1486640790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1835378 (or 1835369 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 1486640790 is about 38556.9810799549. The cubic root of 1486640790 is about 1141.3057752401.

The spelling of 1486640790 in words is "one billion, four hundred eighty-six million, six hundred forty thousand, seven hundred ninety".