40351164 has 48 divisors (see below), whose sum is σ = 110519808. Its totient is φ = 11216448.

The previous prime is 40351153. The next prime is 40351169. The reversal of 40351164 is 46115304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40351169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3384 + ... + 9599.

It is an arithmetic number, because the mean of its divisors is an integer number (2302496).

Almost surely, 2^40351164 is an apocalyptic number.

It is an amenable number.

40351164 is an abundant number, since it is smaller than the sum of its proper divisors (70168644).

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

40351164 is a wasteful number, since it uses less digits than its factorization.

40351164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13034 (or 13032 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 40351164 is about 6352.2566069075. The cubic root of 40351164 is about 342.9930781412.

Adding to 40351164 its reverse (46115304), we get a palindrome (86466468).

The spelling of 40351164 in words is "forty million, three hundred fifty-one thousand, one hundred sixty-four".