46821815040 has 864 divisors, whose sum is σ = 202095806976. Its totient is φ = 8971223040.

The previous prime is 46821815023. The next prime is 46821815059. The reversal of 46821815040 is 4051812864.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 46821815040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 49969452 + ... + 49970388.

It is an arithmetic number, because the mean of its divisors is an integer number (233907184).

Almost surely, 2^46821815040 is an apocalyptic number.

46821815040 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 46821815040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101047903488).

46821815040 is an abundant number, since it is smaller than the sum of its proper divisors (155273991936).

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

46821815040 is a wasteful number, since it uses less digits than its factorization.

46821815040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005 (or 978 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 39.

The spelling of 46821815040 in words is "forty-six billion, eight hundred twenty-one million, eight hundred fifteen thousand, forty".