2979616453880 has 32 divisors (see below), whose sum is σ = 7313604024240. Its totient is φ = 1083496892160.

The previous prime is 2979616453859. The next prime is 2979616453889. The reversal of 2979616453880 is 883546169792.

It is a super-2 number, since 2×2979616453880² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2979616453880.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2979616453889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3385927349 + ... + 3385928228.

It is a 1-persistent number, because it is pandigital, but 2⋅2979616453880 = 5959232907760 is not.

Almost surely, 2^{2979616453880} is an apocalyptic number.

2979616453880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2979616453880 is an abundant number, since it is smaller than the sum of its proper divisors (4333987570360).

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

2979616453880 is a wasteful number, since it uses less digits than its factorization.

2979616453880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6771855599 (or 6771855595 counting only the distinct ones).

The product of its (nonzero) digits is 156764160, while the sum is 68.

The spelling of 2979616453880 in words is "two trillion, nine hundred seventy-nine billion, six hundred sixteen million, four hundred fifty-three thousand, eight hundred eighty".