42594090 has 64 divisors (see below), whose sum is σ = 127457280. Its totient is φ = 8850240.

The previous prime is 42594089. The next prime is 42594109. The reversal of 42594090 is 9049524.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6910 + ... + 11529.

It is an arithmetic number, because the mean of its divisors is an integer number (1991520).

Almost surely, 2^42594090 is an apocalyptic number.

42594090 is an abundant number, since it is smaller than the sum of its proper divisors (84863190).

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

42594090 is a wasteful number, since it uses less digits than its factorization.

42594090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18467.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 42594090 is about 6526.4147891473. The cubic root of 42594090 is about 349.2339435782.

The spelling of 42594090 in words is "forty-two million, five hundred ninety-four thousand, ninety".