42999950 has 36 divisors (see below), whose sum is σ = 93043152. Its totient is φ = 14742000.

The previous prime is 42999947. The next prime is 42999973. The reversal of 42999950 is 5999924.

It is a junction number, because it is equal to n+sod(n) for n = 42999895 and 42999904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6326 + ... + 11225.

It is an arithmetic number, because the mean of its divisors is an integer number (2584532).

Almost surely, 2^42999950 is an apocalyptic number.

42999950 is an abundant number, since it is smaller than the sum of its proper divisors (50043202).

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

42999950 is a wasteful number, since it uses less digits than its factorization.

42999950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17577 (or 17565 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 47.

The square root of 42999950 is about 6557.4347118366. The cubic root of 42999950 is about 350.3396702480.

The spelling of 42999950 in words is "forty-two million, nine hundred ninety-nine thousand, nine hundred fifty".