1939540960 has 48 divisors (see below), whose sum is σ = 5236763616. Its totient is φ = 664985088.

The previous prime is 1939540949. The next prime is 1939540969. The reversal of 1939540960 is 690459391.

It is a self number, because there is not a number n which added to its sum of digits gives 1939540960.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1939540969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 864747 + ... + 866986.

It is an arithmetic number, because the mean of its divisors is an integer number (109099242).

Almost surely, 2^1939540960 is an apocalyptic number.

1939540960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1939540960 is an abundant number, since it is smaller than the sum of its proper divisors (3297222656).

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

1939540960 is a wasteful number, since it uses less digits than its factorization.

1939540960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1731755 (or 1731747 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 46.

The square root of 1939540960 is about 44040.2197996332. The cubic root of 1939540960 is about 1247.0953269946.

The spelling of 1939540960 in words is "one billion, nine hundred thirty-nine million, five hundred forty thousand, nine hundred sixty".