42405900 has 36 divisors (see below), whose sum is σ = 122695272. Its totient is φ = 11308160.

The previous prime is 42405893. The next prime is 42405907. The reversal of 42405900 is 950424.

It is an interprime number because it is at equal distance from previous prime (42405893) and next prime (42405907).

It is not an unprimeable number, because it can be changed into a prime (42405907) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70377 + ... + 70976.

It is an arithmetic number, because the mean of its divisors is an integer number (3408202).

Almost surely, 2^42405900 is an apocalyptic number.

It is an amenable number.

42405900 is an abundant number, since it is smaller than the sum of its proper divisors (80289372).

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

42405900 is a wasteful number, since it uses less digits than its factorization.

42405900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141370 (or 141363 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 42405900 is about 6511.9812653293. The cubic root of 42405900 is about 348.7188536052.

The spelling of 42405900 in words is "forty-two million, four hundred five thousand, nine hundred".