46451687420 has 12 divisors (see below), whose sum is σ = 97548543624. Its totient is φ = 18580674960.

The previous prime is 46451687393. The next prime is 46451687423. The reversal of 46451687420 is 2478615464.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46451687423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1161292166 + ... + 1161292205.

It is an arithmetic number, because the mean of its divisors is an integer number (8129045302).

Almost surely, 2^46451687420 is an apocalyptic number.

It is an amenable number.

46451687420 is an abundant number, since it is smaller than the sum of its proper divisors (51096856204).

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

46451687420 is a wasteful number, since it uses less digits than its factorization.

46451687420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2322584380 (or 2322584378 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 47.

The spelling of 46451687420 in words is "forty-six billion, four hundred fifty-one million, six hundred eighty-seven thousand, four hundred twenty".