2356778912480 has 24 divisors (see below), whose sum is σ = 5567890181112. Its totient is φ = 942711564928.

The previous prime is 2356778912351. The next prime is 2356778912483. The reversal of 2356778912480 is 842198776532.

It is a super-2 number, since 2×2356778912480² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2356778912483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7364933942 + ... + 7364934261.

It is an arithmetic number, because the mean of its divisors is an integer number (231995424213).

It is a 2-persistent number, because it is pandigital, and so is 2⋅2356778912480 = 4713557824960, but 3⋅2356778912480 = 7070336737440 is not.

Almost surely, 2^{2356778912480} is an apocalyptic number.

2356778912480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2356778912480 is an abundant number, since it is smaller than the sum of its proper divisors (3211111268632).

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

2356778912480 is a wasteful number, since it uses less digits than its factorization.

2356778912480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14729868218 (or 14729868210 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 62.

The spelling of 2356778912480 in words is "two trillion, three hundred fifty-six billion, seven hundred seventy-eight million, nine hundred twelve thousand, four hundred eighty".