40307895 has 32 divisors (see below), whose sum is σ = 72253440. Its totient is φ = 21319200.

The previous prime is 40307881. The next prime is 40307909. The reversal of 40307895 is 59870304.

It is an interprime number because it is at equal distance from previous prime (40307881) and next prime (40307909).

It is not a de Polignac number, because 40307895 - 2⁶ = 40307831 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15970 + ... + 18320.

It is an arithmetic number, because the mean of its divisors is an integer number (2257920).

Almost surely, 2^40307895 is an apocalyptic number.

40307895 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

40307895 is a deficient number, since it is larger than the sum of its proper divisors (31945545).

40307895 is a wasteful number, since it uses less digits than its factorization.

40307895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2492 (or 2486 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 40307895 is about 6348.8498958473. The cubic root of 40307895 is about 342.8704358685.

The spelling of 40307895 in words is "forty million, three hundred seven thousand, eight hundred ninety-five".