400412461 has 8 divisors (see below), whose sum is σ = 414136064. Its totient is φ = 386739360.

The previous prime is 400412447. The next prime is 400412473. The reversal of 400412461 is 164214004.

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 400412461 - 2⁵ = 400412429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400412401) 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, 3865 + ... + 28561.

It is an arithmetic number, because the mean of its divisors is an integer number (51767008).

Almost surely, 2^400412461 is an apocalyptic number.

It is an amenable number.

400412461 is a deficient number, since it is larger than the sum of its proper divisors (13723603).

400412461 is a wasteful number, since it uses less digits than its factorization.

400412461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25251.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 400412461 is about 20010.3088681809. The cubic root of 400412461 is about 737.0594659497.

Adding to 400412461 its reverse (164214004), we get a palindrome (564626465).

The spelling of 400412461 in words is "four hundred million, four hundred twelve thousand, four hundred sixty-one".