46039891968 has 612 divisors, whose sum is σ = 163167666480. Its totient is φ = 12931301376.

The previous prime is 46039891921. The next prime is 46039891981. The reversal of 46039891968 is 86919893064.

It is a happy number.

46039891968 is a `hidden beast` number, since 4 + 603 + 9 + 8 + 9 + 19 + 6 + 8 = 666.

It is a super-2 number, since 2×46039891968² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 780337123 + ... + 780337181.

Almost surely, 2^46039891968 is an apocalyptic number.

46039891968 is a gapful number since it is divisible by the number (48) 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 46039891968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81583833240).

46039891968 is an abundant number, since it is smaller than the sum of its proper divisors (117127774512).

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

46039891968 is an frugal number, since it uses more digits than its factorization.

46039891968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 20155392, while the sum is 63.

The spelling of 46039891968 in words is "forty-six billion, thirty-nine million, eight hundred ninety-one thousand, nine hundred sixty-eight".