400535053050 has 144 divisors (see below), whose sum is σ = 1092673501920. Its totient is φ = 97025174400.

The previous prime is 400535053049. The next prime is 400535053081. The reversal of 400535053050 is 50350535004.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 400535052999 and 400535053017.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 25928629 + ... + 25944071.

It is an arithmetic number, because the mean of its divisors is an integer number (7588010430).

Almost surely, 2^400535053050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 400535053050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (546336750960).

400535053050 is an abundant number, since it is smaller than the sum of its proper divisors (692138448870).

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

400535053050 is a wasteful number, since it uses less digits than its factorization.

400535053050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16909 (or 16893 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 30.

Adding to 400535053050 its reverse (50350535004), we get a palindrome (450885588054).

The spelling of 400535053050 in words is "four hundred billion, five hundred thirty-five million, fifty-three thousand, fifty".