400514221451040 has 96 divisors (see below), whose sum is σ = 1261626094048320. Its totient is φ = 106803259352064.

The previous prime is 400514221451039. The next prime is 400514221451077. The reversal of 400514221451040 is 40154122415004.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 400514221450992 and 400514221451010.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99335526 + ... + 103288794.

It is an arithmetic number, because the mean of its divisors is an integer number (13141938479670).

Almost surely, 2^{400514221451040} is an apocalyptic number.

400514221451040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

400514221451040 is an abundant number, since it is smaller than the sum of its proper divisors (861111872597280).

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

400514221451040 is a wasteful number, since it uses less digits than its factorization.

400514221451040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4164354 (or 4164346 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 33.

Adding to 400514221451040 its reverse (40154122415004), we get a palindrome (440668343866044).

The spelling of 400514221451040 in words is "four hundred trillion, five hundred fourteen billion, two hundred twenty-one million, four hundred fifty-one thousand, forty".