2415856040 has 64 divisors (see below), whose sum is σ = 6042677760. Its totient is φ = 863228160.

The previous prime is 2415856031. The next prime is 2415856081. The reversal of 2415856040 is 406585142.

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, 58814 + ... + 91053.

It is an arithmetic number, because the mean of its divisors is an integer number (94416840).

Almost surely, 2^2415856040 is an apocalyptic number.

2415856040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2415856040 is an abundant number, since it is smaller than the sum of its proper divisors (3626821720).

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

2415856040 is a wasteful number, since it uses less digits than its factorization.

2415856040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149922 (or 149918 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 35.

The square root of 2415856040 is about 49151.3584756312. The cubic root of 2415856040 is about 1341.8079183271.

The spelling of 2415856040 in words is "two billion, four hundred fifteen million, eight hundred fifty-six thousand, forty".