43748040 has 64 divisors (see below), whose sum is σ = 149996160. Its totient is φ = 9999360.

The previous prime is 43748027. The next prime is 43748053. The reversal of 43748040 is 4084734.

It is an interprime number because it is at equal distance from previous prime (43748027) and next prime (43748053).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 43747989 and 43748007.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25201 + ... + 26880.

It is an arithmetic number, because the mean of its divisors is an integer number (2343690).

Almost surely, 2^43748040 is an apocalyptic number.

43748040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43748040 is an abundant number, since it is smaller than the sum of its proper divisors (106248120).

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

43748040 is a wasteful number, since it uses less digits than its factorization.

43748040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52102 (or 52098 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 43748040 is about 6614.2301139286. The cubic root of 43748040 is about 352.3596745416.

The spelling of 43748040 in words is "forty-three million, seven hundred forty-eight thousand, forty".