1461873240 has 48 divisors (see below), whose sum is σ = 4751089200. Its totient is φ = 389832768.

The previous prime is 1461873233. The next prime is 1461873241. The reversal of 1461873240 is 423781641.

1461873240 is a `hidden beast` number, since 1 + 4 + 618 + 7 + 32 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1461873195 and 1461873204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1461873241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2030020 + ... + 2030739.

It is an arithmetic number, because the mean of its divisors is an integer number (98981025).

Almost surely, 2^1461873240 is an apocalyptic number.

1461873240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1461873240 is an abundant number, since it is smaller than the sum of its proper divisors (3289215960).

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

1461873240 is a wasteful number, since it uses less digits than its factorization.

1461873240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4060776 (or 4060769 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 1461873240 is about 38234.4509572192. The cubic root of 1461873240 is about 1134.9321674741.

The spelling of 1461873240 in words is "one billion, four hundred sixty-one million, eight hundred seventy-three thousand, two hundred forty".