40904562 has 16 divisors (see below), whose sum is σ = 84448512. Its totient is φ = 13194960.

The previous prime is 40904519. The next prime is 40904569. The reversal of 40904562 is 26540904.

It is not an unprimeable number, because it can be changed into a prime (40904569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109773 + ... + 110144.

It is an arithmetic number, because the mean of its divisors is an integer number (5278032).

Almost surely, 2^40904562 is an apocalyptic number.

40904562 is an abundant number, since it is smaller than the sum of its proper divisors (43543950).

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

40904562 is a wasteful number, since it uses less digits than its factorization.

40904562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219953.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 40904562 is about 6395.6674397595. The cubic root of 40904562 is about 344.5539625460.

The spelling of 40904562 in words is "forty million, nine hundred four thousand, five hundred sixty-two".