46535091840 has 512 divisors, whose sum is σ = 177768864000. Its totient is φ = 11466178560.

The previous prime is 46535091817. The next prime is 46535091851. The reversal of 46535091840 is 4819053564.

46535091840 is a `hidden beast` number, since 4 + 65 + 3 + 509 + 1 + 84 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13459392 + ... + 13462848.

Almost surely, 2^46535091840 is an apocalyptic number.

46535091840 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 46535091840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88884432000).

46535091840 is an abundant number, since it is smaller than the sum of its proper divisors (131233772160).

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

46535091840 is a wasteful number, since it uses less digits than its factorization.

46535091840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3545 (or 3527 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The spelling of 46535091840 in words is "forty-six billion, five hundred thirty-five million, ninety-one thousand, eight hundred forty".