262428440 has 32 divisors (see below), whose sum is σ = 601609680. Its totient is φ = 102989952.

The previous prime is 262428427. The next prime is 262428443. The reversal of 262428440 is 44824262.

262428440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×262428440² = 137737372241667200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 262428397 and 262428406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (262428443) 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, 59774 + ... + 64013.

Almost surely, 2^262428440 is an apocalyptic number.

262428440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

262428440 is an abundant number, since it is smaller than the sum of its proper divisors (339181240).

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

262428440 is a wasteful number, since it uses less digits than its factorization.

262428440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123851 (or 123847 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

The square root of 262428440 is about 16199.6432059475. The cubic root of 262428440 is about 640.2313941931.

The spelling of 262428440 in words is "two hundred sixty-two million, four hundred twenty-eight thousand, four hundred forty".