1461273436 has 48 divisors (see below), whose sum is σ = 2970680832. Its totient is φ = 615988800.

The previous prime is 1461273433. The next prime is 1461273461. The reversal of 1461273436 is 6343721641.

It is a junction number, because it is equal to n+sod(n) for n = 1461273395 and 1461273404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1461273433) 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, 1504431 + ... + 1505401.

It is an arithmetic number, because the mean of its divisors is an integer number (61889184).

Almost surely, 2^1461273436 is an apocalyptic number.

It is an amenable number.

1461273436 is an abundant number, since it is smaller than the sum of its proper divisors (1509407396).

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

1461273436 is a wasteful number, since it uses less digits than its factorization.

1461273436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1810 (or 1808 counting only the distinct ones).

The product of its digits is 72576, while the sum is 37.

The square root of 1461273436 is about 38226.6063887445. The cubic root of 1461273436 is about 1134.7769260213.

The spelling of 1461273436 in words is "one billion, four hundred sixty-one million, two hundred seventy-three thousand, four hundred thirty-six".