42912450 has 192 divisors, whose sum is σ = 142848000. Its totient is φ = 9253440.

The previous prime is 42912433. The next prime is 42912451. The reversal of 42912450 is 5421924.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (42912451) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 179431 + ... + 179669.

It is an arithmetic number, because the mean of its divisors is an integer number (744000).

Almost surely, 2^42912450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42912450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71424000).

42912450 is an abundant number, since it is smaller than the sum of its proper divisors (99935550).

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

42912450 is a wasteful number, since it uses less digits than its factorization.

42912450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286 (or 275 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 42912450 is about 6550.7594979514. The cubic root of 42912450 is about 350.1018751061.

The spelling of 42912450 in words is "forty-two million, nine hundred twelve thousand, four hundred fifty".