425438290 has 8 divisors (see below), whose sum is σ = 765788940. Its totient is φ = 170175312.

The previous prime is 425438281. The next prime is 425438297. The reversal of 425438290 is 92834524.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 407111329 + 18326961 = 20177^2 + 4281^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (425438297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21271905 + ... + 21271924.

Almost surely, 2^425438290 is an apocalyptic number.

425438290 is a deficient number, since it is larger than the sum of its proper divisors (340350650).

425438290 is a wasteful number, since it uses less digits than its factorization.

425438290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42543836.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 425438290 is about 20626.1554827845. The cubic root of 425438290 is about 752.1056619769.

The spelling of 425438290 in words is "four hundred twenty-five million, four hundred thirty-eight thousand, two hundred ninety".