40046090 has 16 divisors (see below), whose sum is σ = 82380672. Its totient is φ = 13730064.

The previous prime is 40046087. The next prime is 40046093. The reversal of 40046090 is 9064004.

It is an interprime number because it is at equal distance from previous prime (40046087) and next prime (40046093).

It is not an unprimeable number, because it can be changed into a prime (40046093) 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, 285974 + ... + 286113.

It is an arithmetic number, because the mean of its divisors is an integer number (5148792).

Almost surely, 2^40046090 is an apocalyptic number.

40046090 is an abundant number, since it is smaller than the sum of its proper divisors (42334582).

40046090 is a wasteful number, since it uses less digits than its factorization.

40046090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572101.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 40046090 is about 6328.1980057517. The cubic root of 40046090 is about 342.1264935688.

The spelling of 40046090 in words is "forty million, forty-six thousand, ninety".