2013409278720 has 324 divisors, whose sum is σ = 8103525197040. Its totient is φ = 460207706112.

The previous prime is 2013409278701. The next prime is 2013409278737. The reversal of 2013409278720 is 278729043102.

2013409278720 is a `hidden beast` number, since 201 + 340 + 9 + 2 + 7 + 87 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1218940 + ... + 2347899.

Almost surely, 2^{2013409278720} is an apocalyptic number.

2013409278720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2013409278720 is an abundant number, since it is smaller than the sum of its proper divisors (6090115918320).

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

2013409278720 is a wasteful number, since it uses less digits than its factorization.

2013409278720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3566880 (or 3566856 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The spelling of 2013409278720 in words is "two trillion, thirteen billion, four hundred nine million, two hundred seventy-eight thousand, seven hundred twenty".