273380937840 has 80 divisors (see below), whose sum is σ = 941645460000. Its totient is φ = 72901582848.

The previous prime is 273380937827. The next prime is 273380937857. The reversal of 273380937840 is 48739083372.

273380937840 is a `hidden beast` number, since 2 + 73 + 380 + 93 + 78 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63280465 + ... + 63284784.

It is an arithmetic number, because the mean of its divisors is an integer number (11770568250).

Almost surely, 2^273380937840 is an apocalyptic number.

273380937840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

273380937840 is an abundant number, since it is smaller than the sum of its proper divisors (668264522160).

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

273380937840 is a wasteful number, since it uses less digits than its factorization.

273380937840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126565271 (or 126565259 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 54.

The spelling of 273380937840 in words is "two hundred seventy-three billion, three hundred eighty million, nine hundred thirty-seven thousand, eight hundred forty".