43426535040 has 192 divisors, whose sum is σ = 171379877760. Its totient is φ = 9926055936.

The previous prime is 43426535029. The next prime is 43426535051. The reversal of 43426535040 is 4053562434.

43426535040 is a `hidden beast` number, since 4 + 3 + 4 + 265 + 350 + 40 = 666.

It is an interprime number because it is at equal distance from previous prime (43426535029) and next prime (43426535051).

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 43426534986 and 43426535004.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 498204 + ... + 578843.

It is an arithmetic number, because the mean of its divisors is an integer number (892603530).

Almost surely, 2^43426535040 is an apocalyptic number.

43426535040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43426535040 is an abundant number, since it is smaller than the sum of its proper divisors (127953342720).

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

43426535040 is a wasteful number, since it uses less digits than its factorization.

43426535040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077079 (or 1077064 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

The spelling of 43426535040 in words is "forty-three billion, four hundred twenty-six million, five hundred thirty-five thousand, forty".