46402290 has 72 divisors (see below), whose sum is σ = 132641964. Its totient is φ = 11246400.

The previous prime is 46402271. The next prime is 46402297. The reversal of 46402290 is 9220464.

It can be written as a sum of positive squares in 2 ways, for example, as 43996689 + 2405601 = 6633^2 + 1551^2 .

It is not an unprimeable number, because it can be changed into a prime (46402297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8760 + ... + 13020.

Almost surely, 2^46402290 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 46402290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66320982).

46402290 is an abundant number, since it is smaller than the sum of its proper divisors (86239674).

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

46402290 is a wasteful number, since it uses less digits than its factorization.

46402290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4296 (or 4282 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 46402290 is about 6811.9226360845. The cubic root of 46402290 is about 359.3462672932.

The spelling of 46402290 in words is "forty-six million, four hundred two thousand, two hundred ninety".