400241454 has 16 divisors (see below), whose sum is σ = 800960592. Its totient is φ = 133334208.

The previous prime is 400241411. The next prime is 400241477. The reversal of 400241454 is 454142004.

It is a happy number.

It is a super-3 number, since 3×400241454³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8509 + ... + 29544.

It is an arithmetic number, because the mean of its divisors is an integer number (50060037).

Almost surely, 2^400241454 is an apocalyptic number.

400241454 is an abundant number, since it is smaller than the sum of its proper divisors (400719138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

400241454 is a wasteful number, since it uses less digits than its factorization.

400241454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39811.

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 400241454 is about 20006.0354393368. The cubic root of 400241454 is about 736.9545239312.

Adding to 400241454 its reverse (454142004), we get a palindrome (854383458).

The spelling of 400241454 in words is "four hundred million, two hundred forty-one thousand, four hundred fifty-four".