46651515840 has 560 divisors, whose sum is σ = 175058405280. Its totient is φ = 11774730240.

The previous prime is 46651515773. The next prime is 46651515847. The reversal of 46651515840 is 4851515664.

46651515840 is a `hidden beast` number, since 4 + 6 + 6 + 51 + 515 + 84 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46651515847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 39838455 + ... + 39839625.

Almost surely, 2^46651515840 is an apocalyptic number.

46651515840 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 46651515840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87529202640).

46651515840 is an abundant number, since it is smaller than the sum of its proper divisors (128406889440).

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

46651515840 is a wasteful number, since it uses less digits than its factorization.

46651515840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282 (or 1263 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 45.

The spelling of 46651515840 in words is "forty-six billion, six hundred fifty-one million, five hundred fifteen thousand, eight hundred forty".