1234986480 has 640 divisors, whose sum is σ = 5372989440. Its totient is φ = 253808640.

The previous prime is 1234986469. The next prime is 1234986497. The reversal of 1234986480 is 846894321.

It is a happy number.

1234986480 is a `hidden beast` number, since 1 + 23 + 498 + 64 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 11990109 + ... + 11990211.

It is an arithmetic number, because the mean of its divisors is an integer number (8395296).

Almost surely, 2^1234986480 is an apocalyptic number.

1234986480 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 1234986480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2686494720).

1234986480 is an abundant number, since it is smaller than the sum of its proper divisors (4138002960).

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

1234986480 is a wasteful number, since it uses less digits than its factorization.

1234986480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206 (or 194 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 1234986480 is about 35142.3744217718. The cubic root of 1234986480 is about 1072.8872092020.

The spelling of 1234986480 in words is "one billion, two hundred thirty-four million, nine hundred eighty-six thousand, four hundred eighty".