461402540 has 24 divisors (see below), whose sum is σ = 1011074400. Its totient is φ = 176536448.

The previous prime is 461402537. The next prime is 461402551. The reversal of 461402540 is 45204164.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 501065 + ... + 501984.

It is an arithmetic number, because the mean of its divisors is an integer number (42128100).

Almost surely, 2^461402540 is an apocalyptic number.

It is an amenable number.

461402540 is an abundant number, since it is smaller than the sum of its proper divisors (549671860).

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

461402540 is a wasteful number, since it uses less digits than its factorization.

461402540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003081 (or 1003079 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 461402540 is about 21480.2825865955. The cubic root of 461402540 is about 772.7280196029.

The spelling of 461402540 in words is "four hundred sixty-one million, four hundred two thousand, five hundred forty".