400265219130 has 128 divisors (see below), whose sum is σ = 1162680583680. Its totient is φ = 86090465280.

The previous prime is 400265219129. The next prime is 400265219203. The reversal of 400265219130 is 31912562004.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 400265219091 and 400265219100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 27942370 + ... + 27956690.

It is an arithmetic number, because the mean of its divisors is an integer number (9083442060).

Almost surely, 2^400265219130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 400265219130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (581340291840).

400265219130 is an abundant number, since it is smaller than the sum of its proper divisors (762415364550).

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

400265219130 is a wasteful number, since it uses less digits than its factorization.

400265219130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22184.

The product of its (nonzero) digits is 12960, while the sum is 33.

The spelling of 400265219130 in words is "four hundred billion, two hundred sixty-five million, two hundred nineteen thousand, one hundred thirty".