40406295 has 16 divisors (see below), whose sum is σ = 65146752. Its totient is φ = 21384480.

The previous prime is 40406281. The next prime is 40406321. The reversal of 40406295 is 59260404.

It is not a de Polignac number, because 40406295 - 2⁷ = 40406167 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8317 + ... + 12246.

It is an arithmetic number, because the mean of its divisors is an integer number (4071672).

Almost surely, 2^40406295 is an apocalyptic number.

40406295 is a deficient number, since it is larger than the sum of its proper divisors (24740457).

40406295 is a wasteful number, since it uses less digits than its factorization.

40406295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20702.

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

The square root of 40406295 is about 6356.5946071777. The cubic root of 40406295 is about 343.1492152810.

Adding to 40406295 its reverse (59260404), we get a palindrome (99666699).

The spelling of 40406295 in words is "forty million, four hundred six thousand, two hundred ninety-five".