40264146 has 24 divisors (see below), whose sum is σ = 93950220. Its totient is φ = 12388896.

The previous prime is 40264141. The next prime is 40264157. The reversal of 40264146 is 64146204.

It can be written as a sum of positive squares in 2 ways, for example, as 40182921 + 81225 = 6339^2 + 285^2 .

It is not an unprimeable number, because it can be changed into a prime (40264141) 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, 85801 + ... + 86268.

Almost surely, 2^40264146 is an apocalyptic number.

40264146 is an abundant number, since it is smaller than the sum of its proper divisors (53686074).

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

40264146 is a wasteful number, since it uses less digits than its factorization.

40264146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172090 (or 172087 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 40264146 is about 6345.4035332672. The cubic root of 40264146 is about 342.7463438107.

The spelling of 40264146 in words is "forty million, two hundred sixty-four thousand, one hundred forty-six".