1540050320 has 80 divisors (see below), whose sum is σ = 3781692480. Its totient is φ = 581644800.

The previous prime is 1540050319. The next prime is 1540050331. The reversal of 1540050320 is 230500451.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1540050292 and 1540050301.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 501590 + ... + 504650.

It is an arithmetic number, because the mean of its divisors is an integer number (47271156).

Almost surely, 2^1540050320 is an apocalyptic number.

1540050320 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 1540050320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1890846240).

1540050320 is an abundant number, since it is smaller than the sum of its proper divisors (2241642160).

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

1540050320 is a wasteful number, since it uses less digits than its factorization.

1540050320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3424 (or 3418 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 1540050320 is about 39243.4748716267. The cubic root of 1540050320 is about 1154.8129279800.

Adding to 1540050320 its reverse (230500451), we get a palindrome (1770550771).

The spelling of 1540050320 in words is "one billion, five hundred forty million, fifty thousand, three hundred twenty".