46229640 has 64 divisors (see below), whose sum is σ = 139484160. Its totient is φ = 12257280.

The previous prime is 46229639. The next prime is 46229653. The reversal of 46229640 is 4692264.

It is a happy number.

It is a super-2 number, since 2×46229640² = 4274359229059200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21912 + ... + 23928.

It is an arithmetic number, because the mean of its divisors is an integer number (2179440).

Almost surely, 2^46229640 is an apocalyptic number.

46229640 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 46229640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69742080).

46229640 is an abundant number, since it is smaller than the sum of its proper divisors (93254520).

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

46229640 is a wasteful number, since it uses less digits than its factorization.

46229640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2222 (or 2218 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 46229640 is about 6799.2381926213. The cubic root of 46229640 is about 358.9000376034.

The spelling of 46229640 in words is "forty-six million, two hundred twenty-nine thousand, six hundred forty".