246668440 has 16 divisors (see below), whose sum is σ = 555004080. Its totient is φ = 98667360.

The previous prime is 246668437. The next prime is 246668441. The reversal of 246668440 is 44866642.

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 6166711 = 246668440 / (2 + 4 + 6 + 6 + 6 + 8 + 4 + 4 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 246668393 and 246668402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (246668441) 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, 3083316 + ... + 3083395.

It is an arithmetic number, because the mean of its divisors is an integer number (34687755).

Almost surely, 2^246668440 is an apocalyptic number.

246668440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

246668440 is an abundant number, since it is smaller than the sum of its proper divisors (308335640).

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

246668440 is a wasteful number, since it uses less digits than its factorization.

246668440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6166722 (or 6166718 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 40.

The square root of 246668440 is about 15705.6817744407. The cubic root of 246668440 is about 627.1496666167.

The spelling of 246668440 in words is "two hundred forty-six million, six hundred sixty-eight thousand, four hundred forty".