1461428408 has 16 divisors (see below), whose sum is σ = 2989285560. Its totient is φ = 664285600.

The previous prime is 1461428383. The next prime is 1461428447. The reversal of 1461428408 is 8048241641.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8303483 + ... + 8303658.

Almost surely, 2^1461428408 is an apocalyptic number.

It is an amenable number.

1461428408 is an abundant number, since it is smaller than the sum of its proper divisors (1527857152).

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

1461428408 is a wasteful number, since it uses less digits than its factorization.

1461428408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16607158 (or 16607154 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 38.

The square root of 1461428408 is about 38228.6333525016. The cubic root of 1461428408 is about 1134.8170399907.

The spelling of 1461428408 in words is "one billion, four hundred sixty-one million, four hundred twenty-eight thousand, four hundred eight".