2153264477800 has 48 divisors (see below), whose sum is σ = 5128445781900. Its totient is φ = 840298329600.

The previous prime is 2153264477779. The next prime is 2153264477803. The reversal of 2153264477800 is 87744623512.

It can be written as a sum of positive squares in 6 ways, for example, as 232761862116 + 1920502615684 = 482454^2 + 1385822^2 .

It is a super-2 number, since 2×2153264477800² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2153264477803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 131288415 + ... + 131304814.

Almost surely, 2^{2153264477800} is an apocalyptic number.

2153264477800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2153264477800 is an abundant number, since it is smaller than the sum of its proper divisors (2975181304100).

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

2153264477800 is a wasteful number, since it uses less digits than its factorization.

2153264477800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262593286 (or 262593277 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 49.

The spelling of 2153264477800 in words is "two trillion, one hundred fifty-three billion, two hundred sixty-four million, four hundred seventy-seven thousand, eight hundred".