425554140 has 96 divisors (see below), whose sum is σ = 1310367744. Its totient is φ = 102332160.

The previous prime is 425554139. The next prime is 425554147. The reversal of 425554140 is 41455524.

It is a super-2 number, since 2×425554140² = 362192652142279200, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 425554098 and 425554107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425554147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81282 + ... + 86358.

It is an arithmetic number, because the mean of its divisors is an integer number (13649664).

Almost surely, 2^425554140 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 425554140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (655183872).

425554140 is an abundant number, since it is smaller than the sum of its proper divisors (884813604).

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

425554140 is a wasteful number, since it uses less digits than its factorization.

425554140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5227 (or 5225 counting only the distinct ones).

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

The square root of 425554140 is about 20628.9636191448. The cubic root of 425554140 is about 752.1739237635.

The spelling of 425554140 in words is "four hundred twenty-five million, five hundred fifty-four thousand, one hundred forty".