425400552120 has 128 divisors (see below), whose sum is σ = 1279106173440. Its totient is φ = 113182318080.

The previous prime is 425400552107. The next prime is 425400552127. The reversal of 425400552120 is 21255004524.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425400552127) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 124639534 + ... + 124642946.

It is an arithmetic number, because the mean of its divisors is an integer number (9993016980).

Almost surely, 2^425400552120 is an apocalyptic number.

425400552120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

425400552120 is an abundant number, since it is smaller than the sum of its proper divisors (853705621320).

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

425400552120 is a wasteful number, since it uses less digits than its factorization.

425400552120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5485 (or 5481 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

Adding to 425400552120 its reverse (21255004524), we get a palindrome (446655556644).

The spelling of 425400552120 in words is "four hundred twenty-five billion, four hundred million, five hundred fifty-two thousand, one hundred twenty".