46440251 has 8 divisors (see below), whose sum is σ = 54559344. Its totient is φ = 38970720.

The previous prime is 46440241. The next prime is 46440259. The reversal of 46440251 is 15204464.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 46440251 - 2⁶ = 46440187 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 46440251.

It is not an unprimeable number, because it can be changed into a prime (46440259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162236 + ... + 162521.

It is an arithmetic number, because the mean of its divisors is an integer number (6819918).

Almost surely, 2^46440251 is an apocalyptic number.

46440251 is a deficient number, since it is larger than the sum of its proper divisors (8119093).

46440251 is a wasteful number, since it uses less digits than its factorization.

46440251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324781.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 46440251 is about 6814.7084310336. The cubic root of 46440251 is about 359.4442324689. Note that the first 3 decimals are identical.

The spelling of 46440251 in words is "forty-six million, four hundred forty thousand, two hundred fifty-one".