425453140 has 24 divisors (see below), whose sum is σ = 1021087872. Its totient is φ = 145869600.

The previous prime is 425453131. The next prime is 425453143. The reversal of 425453140 is 41354524.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 425453099 and 425453108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425453143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1519336 + ... + 1519615.

It is an arithmetic number, because the mean of its divisors is an integer number (42545328).

Almost surely, 2^425453140 is an apocalyptic number.

It is an amenable number.

425453140 is an abundant number, since it is smaller than the sum of its proper divisors (595634732).

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

425453140 is a wasteful number, since it uses less digits than its factorization.

425453140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3038967 (or 3038965 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 425453140 is about 20626.5154594759. The cubic root of 425453140 is about 752.1144126696.

The spelling of 425453140 in words is "four hundred twenty-five million, four hundred fifty-three thousand, one hundred forty".