1640847714 has 32 divisors (see below), whose sum is σ = 3768456960. Its totient is φ = 471056400.

The previous prime is 1640847709. The next prime is 1640847721. The reversal of 1640847714 is 4177480461.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 652992 + ... + 655499.

It is an arithmetic number, because the mean of its divisors is an integer number (117764280).

Almost surely, 2^1640847714 is an apocalyptic number.

1640847714 is an abundant number, since it is smaller than the sum of its proper divisors (2127609246).

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

1640847714 is a wasteful number, since it uses less digits than its factorization.

1640847714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1308526.

The product of its (nonzero) digits is 150528, while the sum is 42.

The square root of 1640847714 is about 40507.3785130561. The cubic root of 1640847714 is about 1179.4768613754.

The spelling of 1640847714 in words is "one billion, six hundred forty million, eight hundred forty-seven thousand, seven hundred fourteen".