401406425 has 12 divisors (see below), whose sum is σ = 568850496. Its totient is φ = 275250000.

The previous prime is 401406403. The next prime is 401406433. The reversal of 401406425 is 524604104.

It is not a de Polignac number, because 401406425 - 2⁶ = 401406361 is a prime.

It is a super-2 number, since 2×401406425² = 322254236062561250, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 401406394 and 401406403.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1146701 + ... + 1147050.

It is an arithmetic number, because the mean of its divisors is an integer number (47404208).

Almost surely, 2^401406425 is an apocalyptic number.

It is an amenable number.

401406425 is a deficient number, since it is larger than the sum of its proper divisors (167444071).

401406425 is a wasteful number, since it uses less digits than its factorization.

401406425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2293768 (or 2293763 counting only the distinct ones).

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

The square root of 401406425 is about 20035.1297724771. The cubic root of 401406425 is about 737.6688419325.

The spelling of 401406425 in words is "four hundred one million, four hundred six thousand, four hundred twenty-five".