46118640 has 40 divisors (see below), whose sum is σ = 142968528. Its totient is φ = 12298240.

The previous prime is 46118591. The next prime is 46118641. The reversal of 46118640 is 4681164.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 46118598 and 46118607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46118641) 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 7 ways as a sum of consecutive naturals, for example, 95841 + ... + 96320.

Almost surely, 2^46118640 is an apocalyptic number.

46118640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

46118640 is an abundant number, since it is smaller than the sum of its proper divisors (96849888).

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

46118640 is a wasteful number, since it uses less digits than its factorization.

46118640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192177 (or 192171 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 46118640 is about 6791.0706077908. The cubic root of 46118640 is about 358.6125609172.

The spelling of 46118640 in words is "forty-six million, one hundred eighteen thousand, six hundred forty".