1940807598 has 32 divisors (see below), whose sum is σ = 3965222400. Its totient is φ = 633108960.

The previous prime is 1940807587. The next prime is 1940807599. The reversal of 1940807598 is 8957080491.

It is a self number, because there is not a number n which added to its sum of digits gives 1940807598.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1940807599) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59511 + ... + 86157.

It is an arithmetic number, because the mean of its divisors is an integer number (123913200).

Almost surely, 2^1940807598 is an apocalyptic number.

1940807598 is an abundant number, since it is smaller than the sum of its proper divisors (2024414802).

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

1940807598 is a wasteful number, since it uses less digits than its factorization.

1940807598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26912.

The product of its (nonzero) digits is 725760, while the sum is 51.

The square root of 1940807598 is about 44054.5979212159. The cubic root of 1940807598 is about 1247.3667442399.

The spelling of 1940807598 in words is "one billion, nine hundred forty million, eight hundred seven thousand, five hundred ninety-eight".