43420503542 has 16 divisors (see below), whose sum is σ = 71329643280. Its totient is φ = 19700566752.

The previous prime is 43420503481. The next prime is 43420503557. The reversal of 43420503542 is 24530502434.

It is a junction number, because it is equal to n+sod(n) for n = 43420503499 and 43420503508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14151173 + ... + 14154240.

It is an arithmetic number, because the mean of its divisors is an integer number (4458102705).

Almost surely, 2^43420503542 is an apocalyptic number.

43420503542 is a deficient number, since it is larger than the sum of its proper divisors (27909139738).

43420503542 is a wasteful number, since it uses less digits than its factorization.

43420503542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28305487.

The product of its (nonzero) digits is 57600, while the sum is 32.

The spelling of 43420503542 in words is "forty-three billion, four hundred twenty million, five hundred three thousand, five hundred forty-two".