424805652 has 36 divisors (see below), whose sum is σ = 1080037140. Its totient is φ = 140781312.

The previous prime is 424805611. The next prime is 424805657. The reversal of 424805652 is 256508424.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 305690256 + 119115396 = 17484^2 + 10914^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×424805652² = 360919683942290208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424805657) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27877 + ... + 40332.

Almost surely, 2^424805652 is an apocalyptic number.

It is an amenable number.

424805652 is an abundant number, since it is smaller than the sum of its proper divisors (655231488).

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

424805652 is a wasteful number, since it uses less digits than its factorization.

424805652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68392 (or 68387 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The square root of 424805652 is about 20610.8139577262. The cubic root of 424805652 is about 751.7326766928.

The spelling of 424805652 in words is "four hundred twenty-four million, eight hundred five thousand, six hundred fifty-two".