46440458 has 4 divisors (see below), whose sum is σ = 69660690. Its totient is φ = 23220228.

The previous prime is 46440451. The next prime is 46440491. The reversal of 46440458 is 85404464.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 40742689 + 5697769 = 6383^2 + 2387^2 .

It is a super-2 number, since 2×46440458² = 4313432278499528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (46440451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11610113 + ... + 11610116.

Almost surely, 2^46440458 is an apocalyptic number.

46440458 is a deficient number, since it is larger than the sum of its proper divisors (23220232).

46440458 is a wasteful number, since it uses less digits than its factorization.

46440458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23220231.

The product of its (nonzero) digits is 61440, while the sum is 35.

The square root of 46440458 is about 6814.7236187537. The cubic root of 46440458 is about 359.4447665232. Note that the first 3 decimals are identical.

The spelling of 46440458 in words is "forty-six million, four hundred forty thousand, four hundred fifty-eight".