2978053348520 has 16 divisors (see below), whose sum is σ = 6700620034260. Its totient is φ = 1191221339392.

The previous prime is 2978053348507. The next prime is 2978053348573. The reversal of 2978053348520 is 258433508792.

It can be written as a sum of positive squares in 2 ways, for example, as 2790309658084 + 187743690436 = 1670422^2 + 433294^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37225666817 + ... + 37225666896.

Almost surely, 2^{2978053348520} is an apocalyptic number.

2978053348520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2978053348520 is an abundant number, since it is smaller than the sum of its proper divisors (3722566685740).

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

2978053348520 is a wasteful number, since it uses less digits than its factorization.

2978053348520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74451333724 (or 74451333720 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 56.

The spelling of 2978053348520 in words is "two trillion, nine hundred seventy-eight billion, fifty-three million, three hundred forty-eight thousand, five hundred twenty".