1869713040 has 160 divisors (see below), whose sum is σ = 6609326976. Its totient is φ = 433152000.

The previous prime is 1869713039. The next prime is 1869713051. The reversal of 1869713040 is 403179681.

1869713040 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 1869713040.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35415 + ... + 70665.

Almost surely, 2^1869713040 is an apocalyptic number.

1869713040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1869713040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3304663488).

1869713040 is an abundant number, since it is smaller than the sum of its proper divisors (4739613936).

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

1869713040 is a wasteful number, since it uses less digits than its factorization.

1869713040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35297 (or 35291 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 1869713040 is about 43240.1785380218. The cubic root of 1869713040 is about 1231.9459448088.

The spelling of 1869713040 in words is "one billion, eight hundred sixty-nine million, seven hundred thirteen thousand, forty".