461787361280 has 416 divisors, whose sum is σ = 1352674059264. Its totient is φ = 147875954688.

The previous prime is 461787361267. The next prime is 461787361289. The reversal of 461787361280 is 82163787164.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461787361289) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 141781412 + ... + 141784668.

Almost surely, 2^461787361280 is an apocalyptic number.

461787361280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 461787361280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (676337029632).

461787361280 is an abundant number, since it is smaller than the sum of its proper divisors (890886697984).

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

461787361280 is a wasteful number, since it uses less digits than its factorization.

461787361280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3359 (or 3337 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 53.

The spelling of 461787361280 in words is "four hundred sixty-one billion, seven hundred eighty-seven million, three hundred sixty-one thousand, two hundred eighty".