4202531240 has 32 divisors (see below), whose sum is σ = 10011914280. Its totient is φ = 1582129152.

The previous prime is 4202531231. The next prime is 4202531269. The reversal of 4202531240 is 421352024.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4162056196 + 40475044 = 64514^2 + 6362^2 .

It is a super-2 number, since 2×4202531240² = 35322537646351875200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3089417 + ... + 3090776.

Almost surely, 2^4202531240 is an apocalyptic number.

4202531240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4202531240 is an abundant number, since it is smaller than the sum of its proper divisors (5809383040).

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

4202531240 is a wasteful number, since it uses less digits than its factorization.

4202531240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6180221 (or 6180217 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 4202531240 is about 64826.9329831360. The cubic root of 4202531240 is about 1613.7527059422.

Adding to 4202531240 its reverse (421352024), we get a palindrome (4623883264).

The spelling of 4202531240 in words is "four billion, two hundred two million, five hundred thirty-one thousand, two hundred forty".