46216640 has 28 divisors (see below), whose sum is σ = 110054136. Its totient is φ = 18486528.

The previous prime is 46216627. The next prime is 46216649. The reversal of 46216640 is 4661264.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46216649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71894 + ... + 72533.

Almost surely, 2^46216640 is an apocalyptic number.

46216640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

46216640 is an abundant number, since it is smaller than the sum of its proper divisors (63837496).

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

46216640 is a wasteful number, since it uses less digits than its factorization.

46216640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144444 (or 144434 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 46216640 is about 6798.2821359517. The cubic root of 46216640 is about 358.8663929698.

The spelling of 46216640 in words is "forty-six million, two hundred sixteen thousand, six hundred forty".