425732890 has 16 divisors (see below), whose sum is σ = 835984800. Its totient is φ = 154811920.

The previous prime is 425732869. The next prime is 425732893. The reversal of 425732890 is 98237524.

It is not an unprimeable number, because it can be changed into a prime (425732893) 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, 1935040 + ... + 1935259.

It is an arithmetic number, because the mean of its divisors is an integer number (52249050).

Almost surely, 2^425732890 is an apocalyptic number.

425732890 is a deficient number, since it is larger than the sum of its proper divisors (410251910).

425732890 is a wasteful number, since it uses less digits than its factorization.

425732890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3870317.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 425732890 is about 20633.2956650168. The cubic root of 425732890 is about 752.2792235407.

The spelling of 425732890 in words is "four hundred twenty-five million, seven hundred thirty-two thousand, eight hundred ninety".