43703670040 has 128 divisors (see below), whose sum is σ = 111930854400. Its totient is φ = 15255336960.

The previous prime is 43703670037. The next prime is 43703670071. The reversal of 43703670040 is 4007630734.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 43703669978 and 43703670005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 571255 + ... + 643225.

It is an arithmetic number, because the mean of its divisors is an integer number (874459800).

Almost surely, 2^43703670040 is an apocalyptic number.

43703670040 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 43703670040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55965427200).

43703670040 is an abundant number, since it is smaller than the sum of its proper divisors (68227184360).

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

43703670040 is a wasteful number, since it uses less digits than its factorization.

43703670040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72065 (or 72061 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 34.

The spelling of 43703670040 in words is "forty-three billion, seven hundred three million, six hundred seventy thousand, forty".