1208230428240 has 840 divisors, whose sum is σ = 4668382391904. Its totient is φ = 290446041600.

The previous prime is 1208230428217. The next prime is 1208230428247. The reversal of 1208230428240 is 428240328021.

1208230428240 is a `hidden beast` number, since 1 + 208 + 2 + 3 + 0 + 428 + 24 + 0 = 666.

It is a super-3 number, since 3×1208230428240³ (a number of 37 digits) contains 333 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 = 1208230428195 and 1208230428204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1208230428247) by changing a digit.

It is a polite number, since it can be written in 167 ways as a sum of consecutive naturals, for example, 924429667 + ... + 924430973.

Almost surely, 2^{1208230428240} is an apocalyptic number.

1208230428240 is a gapful number since it is divisible by the number (10) 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 1208230428240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2334191195952).

1208230428240 is an abundant number, since it is smaller than the sum of its proper divisors (3460151963664).

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

1208230428240 is a wasteful number, since it uses less digits than its factorization.

1208230428240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1491 (or 1459 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 36.

The spelling of 1208230428240 in words is "one trillion, two hundred eight billion, two hundred thirty million, four hundred twenty-eight thousand, two hundred forty".