1245794480 has 40 divisors (see below), whose sum is σ = 3310255392. Its totient is φ = 427129344.

The previous prime is 1245794479. The next prime is 1245794483. The reversal of 1245794480 is 844975421.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (1245794483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1111757 + ... + 1112876.

Almost surely, 2^1245794480 is an apocalyptic number.

1245794480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1245794480 is an abundant number, since it is smaller than the sum of its proper divisors (2064460912).

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

1245794480 is a wasteful number, since it uses less digits than its factorization.

1245794480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2224653 (or 2224647 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 44.

The square root of 1245794480 is about 35295.8139161006. The cubic root of 1245794480 is about 1076.0079185719.

The spelling of 1245794480 in words is "one billion, two hundred forty-five million, seven hundred ninety-four thousand, four hundred eighty".