2240642460 has 48 divisors (see below), whose sum is σ = 7170057216. Its totient is φ = 512146752.

The previous prime is 2240642419. The next prime is 2240642461. The reversal of 2240642460 is 642460422.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2240642461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2667012 + ... + 2667851.

It is an arithmetic number, because the mean of its divisors is an integer number (149376192).

Almost surely, 2^2240642460 is an apocalyptic number.

2240642460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2240642460 is an abundant number, since it is smaller than the sum of its proper divisors (4929414756).

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

2240642460 is a wasteful number, since it uses less digits than its factorization.

2240642460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5334882 (or 5334880 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

The square root of 2240642460 is about 47335.4250007328. The cubic root of 2240642460 is about 1308.5516031456.

The spelling of 2240642460 in words is "two billion, two hundred forty million, six hundred forty-two thousand, four hundred sixty".