2015415340 has 12 divisors (see below), whose sum is σ = 4232372256. Its totient is φ = 806166128.

The previous prime is 2015415313. The next prime is 2015415359. The reversal of 2015415340 is 435145102.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50385364 + ... + 50385403.

It is an arithmetic number, because the mean of its divisors is an integer number (352697688).

Almost surely, 2^2015415340 is an apocalyptic number.

2015415340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2015415340 is an abundant number, since it is smaller than the sum of its proper divisors (2216956916).

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

2015415340 is a wasteful number, since it uses less digits than its factorization.

2015415340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100770776 (or 100770774 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 2015415340 is about 44893.3774626058. The cubic root of 2015415340 is about 1263.1497872610.

The spelling of 2015415340 in words is "two billion, fifteen million, four hundred fifteen thousand, three hundred forty".