43262140 has 12 divisors (see below), whose sum is σ = 90850536. Its totient is φ = 17304848.

The previous prime is 43262129. The next prime is 43262159. The reversal of 43262140 is 4126234.

It is a happy number.

It is a super-2 number, since 2×43262140² = 3743225514759200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1081534 + ... + 1081573.

It is an arithmetic number, because the mean of its divisors is an integer number (7570878).

Almost surely, 2^43262140 is an apocalyptic number.

It is an amenable number.

43262140 is an abundant number, since it is smaller than the sum of its proper divisors (47588396).

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

43262140 is a wasteful number, since it uses less digits than its factorization.

43262140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2163116 (or 2163114 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 43262140 is about 6577.3961413313. The cubic root of 43262140 is about 351.0502873002.

Adding to 43262140 its reverse (4126234), we get a palindrome (47388374).

The spelling of 43262140 in words is "forty-three million, two hundred sixty-two thousand, one hundred forty".