401744625 has 64 divisors (see below), whose sum is σ = 690094080. Its totient is φ = 207480000.

The previous prime is 401744617. The next prime is 401744639. The reversal of 401744625 is 526447104.

It is not a de Polignac number, because 401744625 - 2³ = 401744617 is a prime.

It is a super-3 number, since 3×401744625³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2103280 + ... + 2103470.

It is an arithmetic number, because the mean of its divisors is an integer number (10782720).

Almost surely, 2^401744625 is an apocalyptic number.

It is an amenable number.

401744625 is a deficient number, since it is larger than the sum of its proper divisors (288349455).

401744625 is a wasteful number, since it uses less digits than its factorization.

401744625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359 (or 349 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 401744625 is about 20043.5681703633. The cubic root of 401744625 is about 737.8759550182.

The spelling of 401744625 in words is "four hundred one million, seven hundred forty-four thousand, six hundred twenty-five".