46628440 has 16 divisors (see below), whose sum is σ = 104914080. Its totient is φ = 18651360.

The previous prime is 46628437. The next prime is 46628441. The reversal of 46628440 is 4482664.

It is a happy number.

It is a super-2 number, since 2×46628440² = 4348422833667200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 46628396 and 46628405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46628441) 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, 582816 + ... + 582895.

It is an arithmetic number, because the mean of its divisors is an integer number (6557130).

Almost surely, 2^46628440 is an apocalyptic number.

46628440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

46628440 is an abundant number, since it is smaller than the sum of its proper divisors (58285640).

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

46628440 is a wasteful number, since it uses less digits than its factorization.

46628440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1165722 (or 1165718 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 34.

The square root of 46628440 is about 6828.5020319247. The cubic root of 46628440 is about 359.9291012644.

The spelling of 46628440 in words is "forty-six million, six hundred twenty-eight thousand, four hundred forty".