46436418 has 144 divisors (see below), whose sum is σ = 131245920. Its totient is φ = 11757312.

The previous prime is 46436393. The next prime is 46436461. The reversal of 46436418 is 81463464.

46436418 is a `hidden beast` number, since 4 + 6 + 4 + 3 + 641 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 284805 + ... + 284967.

It is an arithmetic number, because the mean of its divisors is an integer number (911430).

Almost surely, 2^46436418 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 46436418, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65622960).

46436418 is an abundant number, since it is smaller than the sum of its proper divisors (84809502).

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

46436418 is a wasteful number, since it uses less digits than its factorization.

46436418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221 (or 211 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 46436418 is about 6814.4271952968. The cubic root of 46436418 is about 359.4343431479.

The spelling of 46436418 in words is "forty-six million, four hundred thirty-six thousand, four hundred eighteen".