461651340 has 24 divisors (see below), whose sum is σ = 1292623920. Its totient is φ = 123107008.

The previous prime is 461651329. The next prime is 461651363. The reversal of 461651340 is 43156164.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 461651298 and 461651307.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3847035 + ... + 3847154.

It is an arithmetic number, because the mean of its divisors is an integer number (53859330).

Almost surely, 2^461651340 is an apocalyptic number.

It is an amenable number.

461651340 is an abundant number, since it is smaller than the sum of its proper divisors (830972580).

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

461651340 is a wasteful number, since it uses less digits than its factorization.

461651340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7694201 (or 7694199 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 461651340 is about 21486.0731637961. The cubic root of 461651340 is about 772.8668861881.

The spelling of 461651340 in words is "four hundred sixty-one million, six hundred fifty-one thousand, three hundred forty".