425187429120 has 720 divisors, whose sum is σ = 1579581222912. Its totient is φ = 109091266560.

The previous prime is 425187429067. The next prime is 425187429127. The reversal of 425187429120 is 21924781524.

425187429120 is a `hidden beast` number, since 4 + 2 + 518 + 7 + 4 + 2 + 9 + 120 = 666.

It is a tau number, because it is divible by the number of its divisors (720).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (425187429127) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 845302789 + ... + 845303291.

Almost surely, 2^425187429120 is an apocalyptic number.

425187429120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425187429120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (789790611456).

425187429120 is an abundant number, since it is smaller than the sum of its proper divisors (1154393793792).

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

425187429120 is a wasteful number, since it uses less digits than its factorization.

425187429120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830 (or 807 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 425187429120 in words is "four hundred twenty-five billion, one hundred eighty-seven million, four hundred twenty-nine thousand, one hundred twenty".