40279095 has 24 divisors (see below), whose sum is σ = 72854496. Its totient is φ = 20547648.

The previous prime is 40279091. The next prime is 40279111. The reversal of 40279095 is 59097204.

It is not a de Polignac number, because 40279095 - 2² = 40279091 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40279091) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18424 + ... + 20493.

It is an arithmetic number, because the mean of its divisors is an integer number (3035604).

Almost surely, 2^40279095 is an apocalyptic number.

40279095 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

40279095 is a deficient number, since it is larger than the sum of its proper divisors (32575401).

40279095 is a wasteful number, since it uses less digits than its factorization.

40279095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38951 (or 38948 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 40279095 is about 6346.5813632223. The cubic root of 40279095 is about 342.7887560776.

It can be divided in two parts, 402 and 79095, that added together give a palindrome (79497).

The spelling of 40279095 in words is "forty million, two hundred seventy-nine thousand, ninety-five".