4252040 has 96 divisors (see below), whose sum is σ = 11265480. Its totient is φ = 1437696.

The previous prime is 4252037. The next prime is 4252051. The reversal of 4252040 is 402524.

4252040 = T₇₅ + T₇₆ + ... + T₂₉₅.

4252040 = 311² + 312² + ... + 349².

It can be written as a sum of positive squares in 12 ways, for example, as 386884 + 3865156 = 622^2 + 1966^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 114902 + ... + 114938.

Almost surely, 2^4252040 is an apocalyptic number.

4252040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4252040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5632740).

4252040 is an abundant number, since it is smaller than the sum of its proper divisors (7013440).

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

4252040 is a wasteful number, since it uses less digits than its factorization.

4252040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91 (or 74 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 4252040 is about 2062.0475261254. The cubic root of 4252040 is about 162.0065028127.

Adding to 4252040 its reverse (402524), we get a palindrome (4654564).

The spelling of 4252040 in words is "four million, two hundred fifty-two thousand, forty".