1461700040 has 32 divisors (see below), whose sum is σ = 3290751360. Its totient is φ = 584337600.

The previous prime is 1461700027. The next prime is 1461700049. The reversal of 1461700040 is 400071641.

It is a junction number, because it is equal to n+sod(n) for n = 1461699979 and 1461700015.

It is not an unprimeable number, because it can be changed into a prime (1461700049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65075 + ... + 84605.

It is an arithmetic number, because the mean of its divisors is an integer number (102835980).

Almost surely, 2^1461700040 is an apocalyptic number.

1461700040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1461700040 is an abundant number, since it is smaller than the sum of its proper divisors (1829051320).

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

1461700040 is a wasteful number, since it uses less digits than its factorization.

1461700040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21413 (or 21409 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 1461700040 is about 38232.1859171039. The cubic root of 1461700040 is about 1134.8873441589.

Adding to 1461700040 its reverse (400071641), we get a palindrome (1861771681).

The spelling of 1461700040 in words is "one billion, four hundred sixty-one million, seven hundred thousand, forty".