1474649280 has 448 divisors, whose sum is σ = 5905804800. Its totient is φ = 343388160.

The previous prime is 1474649279. The next prime is 1474649287. The reversal of 1474649280 is 829464741.

1474649280 is a `hidden beast` number, since 1 + 47 + 46 + 492 + 80 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (1474649287) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2133735 + ... + 2134425.

It is an arithmetic number, because the mean of its divisors is an integer number (13182600).

Almost surely, 2^1474649280 is an apocalyptic number.

1474649280 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 1474649280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2952902400).

1474649280 is an abundant number, since it is smaller than the sum of its proper divisors (4431155520).

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

1474649280 is a wasteful number, since it uses less digits than its factorization.

1474649280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749 (or 733 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 1474649280 is about 38401.1624824041. The cubic root of 1474649280 is about 1138.2288285758.

The spelling of 1474649280 in words is "one billion, four hundred seventy-four million, six hundred forty-nine thousand, two hundred eighty".