1934548240 has 40 divisors (see below), whose sum is σ = 4652927640. Its totient is φ = 747134976.

The previous prime is 1934548229. The next prime is 1934548267. The reversal of 1934548240 is 428454391.

It can be written as a sum of positive squares in 4 ways, for example, as 589712656 + 1344835584 = 24284^2 + 36672^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 1934548193 and 1934548202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 414609 + ... + 419248.

It is an arithmetic number, because the mean of its divisors is an integer number (116323191).

Almost surely, 2^1934548240 is an apocalyptic number.

1934548240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1934548240 is an abundant number, since it is smaller than the sum of its proper divisors (2718379400).

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

1934548240 is a wasteful number, since it uses less digits than its factorization.

1934548240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833899 (or 833893 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 1934548240 is about 43983.4996333852. The cubic root of 1934548240 is about 1246.0243264885.

The spelling of 1934548240 in words is "one billion, nine hundred thirty-four million, five hundred forty-eight thousand, two hundred forty".