2477760401980 has 24 divisors (see below), whose sum is σ = 5204019125088. Its totient is φ = 990966583488.

The previous prime is 2477760401957. The next prime is 2477760401989. The reversal of 2477760401980 is 891040677742.

It is a happy number.

It is a super-2 number, since 2×2477760401980² (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 (2477760401989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8450839 + ... + 8739118.

It is an arithmetic number, because the mean of its divisors is an integer number (216834130212).

Almost surely, 2^{2477760401980} is an apocalyptic number.

2477760401980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2477760401980 is an abundant number, since it is smaller than the sum of its proper divisors (2726258723108).

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

2477760401980 is a wasteful number, since it uses less digits than its factorization.

2477760401980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17197173 (or 17197171 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 55.

The spelling of 2477760401980 in words is "two trillion, four hundred seventy-seven billion, seven hundred sixty million, four hundred one thousand, nine hundred eighty".