246815242240 has 144 divisors (see below), whose sum is σ = 688901031000. Its totient is φ = 84622196736.

The previous prime is 246815242229. The next prime is 246815242277. The reversal of 246815242240 is 42242518642.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 246815242193 and 246815242202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 255811 + ... + 747709.

Almost surely, 2^246815242240 is an apocalyptic number.

246815242240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 246815242240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (344450515500).

246815242240 is an abundant number, since it is smaller than the sum of its proper divisors (442085788760).

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

246815242240 is an equidigital number, since it uses as much as digits as its factorization.

246815242240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491940 (or 491913 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 40.

The spelling of 246815242240 in words is "two hundred forty-six billion, eight hundred fifteen million, two hundred forty-two thousand, two hundred forty".