273401482500 has 90 divisors (see below), whose sum is σ = 863596371638. Its totient is φ = 72907056000.

The previous prime is 273401482439. The next prime is 273401482507. The reversal of 273401482500 is 5284104372.

It is a happy number.

273401482500 is a `hidden beast` number, since 2 + 7 + 3 + 4 + 0 + 148 + 2 + 500 = 666.

It can be written as a sum of positive squares in 5 ways, for example, as 67517864964 + 205883617536 = 259842^2 + 453744^2 .

It is a tau number, because it is divible by the number of its divisors (90).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (273401482507) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 6053089 + ... + 6098088.

Almost surely, 2^273401482500 is an apocalyptic number.

273401482500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

273401482500 is an abundant number, since it is smaller than the sum of its proper divisors (590194889138).

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

273401482500 is a wasteful number, since it uses less digits than its factorization.

273401482500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12151207 (or 12151187 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

Adding to 273401482500 its reverse (5284104372), we get a palindrome (278685586872).

The spelling of 273401482500 in words is "two hundred seventy-three billion, four hundred one million, four hundred eighty-two thousand, five hundred".