1227650480 has 80 divisors (see below), whose sum is σ = 3266457600. Its totient is φ = 420339456.

The previous prime is 1227650443. The next prime is 1227650497. The reversal of 1227650480 is 840567221.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 1227650480.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 782657 + ... + 784223.

It is an arithmetic number, because the mean of its divisors is an integer number (40830720).

Almost surely, 2^1227650480 is an apocalyptic number.

1227650480 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 1227650480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1633228800).

1227650480 is an abundant number, since it is smaller than the sum of its proper divisors (2038807120).

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

1227650480 is a wasteful number, since it uses less digits than its factorization.

1227650480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2986 (or 2980 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 1227650480 is about 35037.8435409487. The cubic root of 1227650480 is about 1070.7586200234.

The spelling of 1227650480 in words is "one billion, two hundred twenty-seven million, six hundred fifty thousand, four hundred eighty".