1246791480 has 128 divisors (see below), whose sum is σ = 4212172800. Its totient is φ = 292492800.

The previous prime is 1246791467. The next prime is 1246791503. The reversal of 1246791480 is 841976421.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25686 + ... + 56154.

It is an arithmetic number, because the mean of its divisors is an integer number (32907600).

Almost surely, 2^1246791480 is an apocalyptic number.

1246791480 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 1246791480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2106086400).

1246791480 is an abundant number, since it is smaller than the sum of its proper divisors (2965381320).

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

1246791480 is a wasteful number, since it uses less digits than its factorization.

1246791480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30525 (or 30521 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 1246791480 is about 35309.9345793786. The cubic root of 1246791480 is about 1076.2948823957.

The spelling of 1246791480 in words is "one billion, two hundred forty-six million, seven hundred ninety-one thousand, four hundred eighty".