1254745480 has 64 divisors (see below), whose sum is σ = 2907000000. Its totient is φ = 487067904.

The previous prime is 1254745463. The next prime is 1254745483. The reversal of 1254745480 is 845474521.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (1254745483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 737671 + ... + 739369.

It is an arithmetic number, because the mean of its divisors is an integer number (45421875).

Almost surely, 2^1254745480 is an apocalyptic number.

1254745480 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 1254745480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1453500000).

1254745480 is an abundant number, since it is smaller than the sum of its proper divisors (1652254520).

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

1254745480 is a wasteful number, since it uses less digits than its factorization.

1254745480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2246 (or 2242 counting only the distinct ones).

The product of its (nonzero) digits is 179200, while the sum is 40.

The square root of 1254745480 is about 35422.3867067142. The cubic root of 1254745480 is about 1078.5788004951.

The spelling of 1254745480 in words is "one billion, two hundred fifty-four million, seven hundred forty-five thousand, four hundred eighty".