1934782540 has 192 divisors, whose sum is σ = 4755824640. Its totient is φ = 656916480.

The previous prime is 1934782537. The next prime is 1934782541. The reversal of 1934782540 is 452874391.

It is not an unprimeable number, because it can be changed into a prime (1934782541) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10024684 + ... + 10024876.

It is an arithmetic number, because the mean of its divisors is an integer number (24769920).

Almost surely, 2^1934782540 is an apocalyptic number.

1934782540 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 1934782540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2377912320).

1934782540 is an abundant number, since it is smaller than the sum of its proper divisors (2821042100).

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

1934782540 is a wasteful number, since it uses less digits than its factorization.

1934782540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312 (or 310 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 1934782540 is about 43986.1630515779. The cubic root of 1934782540 is about 1246.0746279333.

The spelling of 1934782540 in words is "one billion, nine hundred thirty-four million, seven hundred eighty-two thousand, five hundred forty".