2154396369060 has 144 divisors (see below), whose sum is σ = 7451676990576. Its totient is φ = 499118063616.

The previous prime is 2154396369049. The next prime is 2154396369091. The reversal of 2154396369060 is 609636934512.

2154396369060 is a `hidden beast` number, since 2 + 1 + 5 + 439 + 63 + 6 + 90 + 60 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 476133120576 + 1678263248484 = 690024^2 + 1295478^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2154396368988 and 2154396369006.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27039109 + ... + 27118668.

It is an arithmetic number, because the mean of its divisors is an integer number (51747756879).

Almost surely, 2^{2154396369060} is an apocalyptic number.

2154396369060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2154396369060 is an abundant number, since it is smaller than the sum of its proper divisors (5297280621516).

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

2154396369060 is a wasteful number, since it uses less digits than its factorization.

2154396369060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54157822 (or 54157817 counting only the distinct ones).

The product of its (nonzero) digits is 6298560, while the sum is 54.

The spelling of 2154396369060 in words is "two trillion, one hundred fifty-four billion, three hundred ninety-six million, three hundred sixty-nine thousand, sixty".