425304335420400 has 120 divisors (see below), whose sum is σ = 1391378608998144. Its totient is φ = 111001415187200.

The previous prime is 425304335420383. The next prime is 425304335420467. The reversal of 425304335420400 is 4024533403524.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×425304335420400² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3770372106 + ... + 3770484905.

Almost surely, 2^{425304335420400} is an apocalyptic number.

425304335420400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

425304335420400 is an abundant number, since it is smaller than the sum of its proper divisors (966074273577744).

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

425304335420400 is a wasteful number, since it uses less digits than its factorization.

425304335420400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7540857079 (or 7540857068 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 39.

Adding to 425304335420400 its reverse (4024533403524), we get a palindrome (429328868823924).

The spelling of 425304335420400 in words is "four hundred twenty-five trillion, three hundred four billion, three hundred thirty-five million, four hundred twenty thousand, four hundred".