2470078440 has 48 divisors (see below), whose sum is σ = 8027756100. Its totient is φ = 658687488.

The previous prime is 2470078439. The next prime is 2470078447. The reversal of 2470078440 is 448700742.

It can be written as a sum of positive squares in 2 ways, for example, as 2302272324 + 167806116 = 47982^2 + 12954^2 .

It is a super-2 number, since 2×2470078440² = 12202574999505667200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2470078395 and 2470078404.

It is not an unprimeable number, because it can be changed into a prime (2470078447) 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 11 ways as a sum of consecutive naturals, for example, 3430305 + ... + 3431024.

Almost surely, 2^2470078440 is an apocalyptic number.

2470078440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2470078440 is an abundant number, since it is smaller than the sum of its proper divisors (5557677660).

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

2470078440 is a wasteful number, since it uses less digits than its factorization.

2470078440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6861346 (or 6861339 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 36.

The square root of 2470078440 is about 49699.8837020772. The cubic root of 2470078440 is about 1351.7724209336.

The spelling of 2470078440 in words is "two billion, four hundred seventy million, seventy-eight thousand, four hundred forty".