42994900 has 36 divisors (see below), whose sum is σ = 100478812. Its totient is φ = 15874560.

The previous prime is 42994879. The next prime is 42994927. The reversal of 42994900 is 949924.

It can be written as a sum of positive squares in 6 ways, for example, as 5098564 + 37896336 = 2258^2 + 6156^2 .

It is a super-2 number, since 2×42994900² = 3697122852020000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42994900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15237 + ... + 17836.

Almost surely, 2^42994900 is an apocalyptic number.

It is an amenable number.

42994900 is an abundant number, since it is smaller than the sum of its proper divisors (57483912).

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

42994900 is a wasteful number, since it uses less digits than its factorization.

42994900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33100 (or 33093 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 42994900 is about 6557.0496414165. The cubic root of 42994900 is about 350.3259548476.

The spelling of 42994900 in words is "forty-two million, nine hundred ninety-four thousand, nine hundred".