2027440 has 20 divisors (see below), whose sum is σ = 4713984. Its totient is φ = 810944.

The previous prime is 2027423. The next prime is 2027447. The reversal of 2027440 is 447202.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×2027440² = 8221025907200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2027447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12592 + ... + 12751.

2^2027440 is an apocalyptic number.

2027440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2027440 is an abundant number, since it is smaller than the sum of its proper divisors (2686544).

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

2027440 is a wasteful number, since it uses less digits than its factorization.

2027440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25356 (or 25350 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 19.

The square root of 2027440 is about 1423.8820175843. The cubic root of 2027440 is about 126.5656936145.

The spelling of 2027440 in words is "two million, twenty-seven thousand, four hundred forty".