425154450 has 192 divisors, whose sum is σ = 1287060480. Its totient is φ = 90720000.

The previous prime is 425154437. The next prime is 425154451. The reversal of 425154450 is 54451524.

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

It is not an unprimeable number, because it can be changed into a prime (425154451) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2014845 + ... + 2015055.

It is an arithmetic number, because the mean of its divisors is an integer number (6703440).

Almost surely, 2^425154450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425154450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (643530240).

425154450 is an abundant number, since it is smaller than the sum of its proper divisors (861906030).

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

425154450 is a wasteful number, since it uses less digits than its factorization.

425154450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353 (or 348 counting only the distinct ones).

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

The square root of 425154450 is about 20619.2737505471. The cubic root of 425154450 is about 751.9383637897.

The spelling of 425154450 in words is "four hundred twenty-five million, one hundred fifty-four thousand, four hundred fifty".