274665520140 has 96 divisors (see below), whose sum is σ = 839060570880. Its totient is φ = 66579052800.

The previous prime is 274665520121. The next prime is 274665520147. The reversal of 274665520140 is 41025566472.

It is a super-2 number, since 2×274665520140² (a number of 24 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 274665520092 and 274665520101.

It is not an unprimeable number, because it can be changed into a prime (274665520147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13446535 + ... + 13466945.

It is an arithmetic number, because the mean of its divisors is an integer number (8740214280).

Almost surely, 2^274665520140 is an apocalyptic number.

274665520140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

274665520140 is an abundant number, since it is smaller than the sum of its proper divisors (564395050740).

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

274665520140 is a wasteful number, since it uses less digits than its factorization.

274665520140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40823 (or 40821 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 42.

The spelling of 274665520140 in words is "two hundred seventy-four billion, six hundred sixty-five million, five hundred twenty thousand, one hundred forty".