27400019465240 has 16 divisors (see below), whose sum is σ = 61650043796880. Its totient is φ = 10960007786080.

The previous prime is 27400019465237. The next prime is 27400019465309. The reversal of 27400019465240 is 4256491000472.

It is a super-2 number, since 2×27400019465240² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27400019465191 and 27400019465200.

It is a congruent number.

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, 342500243276 + ... + 342500243355.

It is an arithmetic number, because the mean of its divisors is an integer number (3853127737305).

Almost surely, 2^{27400019465240} is an apocalyptic number.

27400019465240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27400019465240 is an abundant number, since it is smaller than the sum of its proper divisors (34250024331640).

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

27400019465240 is a wasteful number, since it uses less digits than its factorization.

27400019465240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685000486642 (or 685000486638 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 44.

The spelling of 27400019465240 in words is "twenty-seven trillion, four hundred billion, nineteen million, four hundred sixty-five thousand, two hundred forty".