1516140030 has 16 divisors (see below), whose sum is σ = 3638736144. Its totient is φ = 404304000.

The previous prime is 1516139983. The next prime is 1516140049. The reversal of 1516140030 is 300416151.

It is a junction number, because it is equal to n+sod(n) for n = 1516139979 and 1516140006.

It is a congruent number.

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, 25268971 + ... + 25269030.

It is an arithmetic number, because the mean of its divisors is an integer number (227421009).

Almost surely, 2^1516140030 is an apocalyptic number.

1516140030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1516140030 is an abundant number, since it is smaller than the sum of its proper divisors (2122596114).

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

1516140030 is a wasteful number, since it uses less digits than its factorization.

1516140030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50538011.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1516140030 is about 38937.6428408295. The cubic root of 1516140030 is about 1148.8053201407.

Adding to 1516140030 its reverse (300416151), we get a palindrome (1816556181).

The spelling of 1516140030 in words is "one billion, five hundred sixteen million, one hundred forty thousand, thirty".