274005146440 has 16 divisors (see below), whose sum is σ = 616511579580. Its totient is φ = 109602058560.

The previous prime is 274005146423. The next prime is 274005146477. The reversal of 274005146440 is 44641500472.

It can be written as a sum of positive squares in 2 ways, for example, as 272427626916 + 1577519524 = 521946^2 + 39718^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 274005146440.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3425064291 + ... + 3425064370.

Almost surely, 2^274005146440 is an apocalyptic number.

274005146440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

274005146440 is an abundant number, since it is smaller than the sum of its proper divisors (342506433140).

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

274005146440 is a wasteful number, since it uses less digits than its factorization.

274005146440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6850128672 (or 6850128668 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 37.

The spelling of 274005146440 in words is "two hundred seventy-four billion, five million, one hundred forty-six thousand, four hundred forty".