1461634442 has 8 divisors (see below), whose sum is σ = 2205125316. Its totient is φ = 726592672.

The previous prime is 1461634411. The next prime is 1461634453. The reversal of 1461634442 is 2444361641.

It can be written as a sum of positive squares in 2 ways, for example, as 1347550681 + 114083761 = 36709^2 + 10681^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 2111843 + ... + 2112534.

Almost surely, 2^1461634442 is an apocalyptic number.

1461634442 is a deficient number, since it is larger than the sum of its proper divisors (743490874).

1461634442 is a wasteful number, since it uses less digits than its factorization.

1461634442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4224552.

The product of its digits is 55296, while the sum is 35.

The square root of 1461634442 is about 38231.3280177396. The cubic root of 1461634442 is about 1134.8703667920.

The spelling of 1461634442 in words is "one billion, four hundred sixty-one million, six hundred thirty-four thousand, four hundred forty-two".