4235400520000 has 140 divisors (see below), whose sum is σ = 11310296387236. Its totient is φ = 1563840000000.

The previous prime is 4235400519971. The next prime is 4235400520009. The reversal of 4235400520000 is 250045324.

It can be written as a sum of positive squares in 10 ways, for example, as 4235265216576 + 135303424 = 2057976^2 + 11632^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4235400520009) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3552501 + ... + 4592500.

Almost surely, 2^{4235400520000} is an apocalyptic number.

4235400520000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4235400520000 is an abundant number, since it is smaller than the sum of its proper divisors (7074895867236).

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

4235400520000 is an equidigital number, since it uses as much as digits as its factorization.

4235400520000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8145046 (or 8145021 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

Adding to 4235400520000 its reverse (250045324), we get a palindrome (4235650565324).

The spelling of 4235400520000 in words is "four trillion, two hundred thirty-five billion, four hundred million, five hundred twenty thousand".