2415338840 has 32 divisors (see below), whose sum is σ = 5482615680. Its totient is φ = 957583872.

The previous prime is 2415338839. The next prime is 2415338851. The reversal of 2415338840 is 488335142.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2415338794 and 2415338803.

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, 262664 + ... + 271703.

It is an arithmetic number, because the mean of its divisors is an integer number (171331740).

Almost surely, 2^2415338840 is an apocalyptic number.

2415338840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2415338840 is an abundant number, since it is smaller than the sum of its proper divisors (3067276840).

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

2415338840 is a wasteful number, since it uses less digits than its factorization.

2415338840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534491 (or 534487 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 38.

The square root of 2415338840 is about 49146.0968948705. The cubic root of 2415338840 is about 1341.7121575735.

The spelling of 2415338840 in words is "two billion, four hundred fifteen million, three hundred thirty-eight thousand, eight hundred forty".