2378720540 has 48 divisors (see below), whose sum is σ = 5721311232. Its totient is φ = 813792576.

The previous prime is 2378720501. The next prime is 2378720567. The reversal of 2378720540 is 450278732.

It is a super-2 number, since 2×2378720540² = 11316622814835783200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2378720494 and 2378720503.

It is a congruent number.

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, 47189 + ... + 83571.

It is an arithmetic number, because the mean of its divisors is an integer number (119193984).

Almost surely, 2^2378720540 is an apocalyptic number.

2378720540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2378720540 is an abundant number, since it is smaller than the sum of its proper divisors (3342590692).

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

2378720540 is a wasteful number, since it uses less digits than its factorization.

2378720540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36866 (or 36864 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 38.

The square root of 2378720540 is about 48772.1287212277. The cubic root of 2378720540 is about 1334.8971552675.

The spelling of 2378720540 in words is "two billion, three hundred seventy-eight million, seven hundred twenty thousand, five hundred forty".