2454140 has 24 divisors (see below), whose sum is σ = 5550720. Its totient is φ = 906048.

The previous prime is 2454131. The next prime is 2454149. The reversal of 2454140 is 414542.

It is an interprime number because it is at equal distance from previous prime (2454131) and next prime (2454149).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2454149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4460 + ... + 4979.

It is an arithmetic number, because the mean of its divisors is an integer number (231280).

2^2454140 is an apocalyptic number.

2454140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2454140 is an abundant number, since it is smaller than the sum of its proper divisors (3096580).

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

2454140 is a wasteful number, since it uses less digits than its factorization.

2454140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9461 (or 9459 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 2454140 is about 1566.5695005329. The cubic root of 2454140 is about 134.8858660399.

Adding to 2454140 its reverse (414542), we get a palindrome (2868682).

The spelling of 2454140 in words is "two million, four hundred fifty-four thousand, one hundred forty".