2054977378460 has 12 divisors (see below), whose sum is σ = 4315452494808. Its totient is φ = 821990951376.

The previous prime is 2054977378457. The next prime is 2054977378501. The reversal of 2054977378460 is 648737794502.

It is a junction number, because it is equal to n+sod(n) for n = 2054977378393 and 2054977378402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51374434442 + ... + 51374434481.

It is an arithmetic number, because the mean of its divisors is an integer number (359621041234).

Almost surely, 2^{2054977378460} is an apocalyptic number.

2054977378460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2054977378460 is an abundant number, since it is smaller than the sum of its proper divisors (2260475116348).

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

2054977378460 is a wasteful number, since it uses less digits than its factorization.

2054977378460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102748868932 (or 102748868930 counting only the distinct ones).

The product of its (nonzero) digits is 71124480, while the sum is 62.

The spelling of 2054977378460 in words is "two trillion, fifty-four billion, nine hundred seventy-seven million, three hundred seventy-eight thousand, four hundred sixty".