210057654140 has 12 divisors (see below), whose sum is σ = 441121073736. Its totient is φ = 84023061648.

The previous prime is 210057654137. The next prime is 210057654143. The reversal of 210057654140 is 41456750012.

It is an interprime number because it is at equal distance from previous prime (210057654137) and next prime (210057654143).

It is a super-3 number, since 3×210057654140³ (a number of 35 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 210057654140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210057654143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5251441334 + ... + 5251441373.

It is an arithmetic number, because the mean of its divisors is an integer number (36760089478).

Almost surely, 2^210057654140 is an apocalyptic number.

210057654140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210057654140 is an abundant number, since it is smaller than the sum of its proper divisors (231063419596).

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

210057654140 is a wasteful number, since it uses less digits than its factorization.

210057654140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10502882716 (or 10502882714 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

The spelling of 210057654140 in words is "two hundred ten billion, fifty-seven million, six hundred fifty-four thousand, one hundred forty".