425633136 has 80 divisors (see below), whose sum is σ = 1185757440. Its totient is φ = 131120640.

The previous prime is 425633099. The next prime is 425633137. The reversal of 425633136 is 631336524.

It is a super-2 number, since 2×425633136² = 362327132922388992, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 425633097 and 425633106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425633137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31701 + ... + 43083.

It is an arithmetic number, because the mean of its divisors is an integer number (14821968).

Almost surely, 2^425633136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425633136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (592878720).

425633136 is an abundant number, since it is smaller than the sum of its proper divisors (760124304).

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

425633136 is a wasteful number, since it uses less digits than its factorization.

425633136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11454 (or 11448 counting only the distinct ones).

The product of its digits is 38880, while the sum is 33.

The square root of 425633136 is about 20630.8782168865. The cubic root of 425633136 is about 752.2204631259.

The spelling of 425633136 in words is "four hundred twenty-five million, six hundred thirty-three thousand, one hundred thirty-six".