1516038540 has 48 divisors (see below), whose sum is σ = 4247292672. Its totient is φ = 404049856.

The previous prime is 1516038527. The next prime is 1516038541. The reversal of 1516038540 is 458306151.

It is not an unprimeable number, because it can be changed into a prime (1516038541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119167 + ... + 131273.

It is an arithmetic number, because the mean of its divisors is an integer number (88485264).

Almost surely, 2^1516038540 is an apocalyptic number.

1516038540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1516038540 is an abundant number, since it is smaller than the sum of its proper divisors (2731254132).

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

1516038540 is a wasteful number, since it uses less digits than its factorization.

1516038540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14206 (or 14204 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 1516038540 is about 38936.3395814244. The cubic root of 1516038540 is about 1148.7796859971.

The spelling of 1516038540 in words is "one billion, five hundred sixteen million, thirty-eight thousand, five hundred forty".