400833401460 has 96 divisors (see below), whose sum is σ = 1191061428480. Its totient is φ = 100372051968.

The previous prime is 400833401429. The next prime is 400833401461. The reversal of 400833401460 is 64104338004.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400833401461) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 202 + ... + 895358.

It is an arithmetic number, because the mean of its divisors is an integer number (12406889880).

Almost surely, 2^400833401460 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 400833401460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (595530714240).

400833401460 is an abundant number, since it is smaller than the sum of its proper divisors (790228027020).

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

400833401460 is a wasteful number, since it uses less digits than its factorization.

400833401460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895625 (or 895623 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

Adding to 400833401460 its reverse (64104338004), we get a palindrome (464937739464).

The spelling of 400833401460 in words is "four hundred billion, eight hundred thirty-three million, four hundred one thousand, four hundred sixty".