40851495 has 12 divisors (see below), whose sum is σ = 70809336. Its totient is φ = 21787440.

The previous prime is 40851491. The next prime is 40851509. The reversal of 40851495 is 59415804.

It is not a de Polignac number, because 40851495 - 2² = 40851491 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40851491) 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, 453861 + ... + 453950.

It is an arithmetic number, because the mean of its divisors is an integer number (5900778).

Almost surely, 2^40851495 is an apocalyptic number.

40851495 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

40851495 is a deficient number, since it is larger than the sum of its proper divisors (29957841).

40851495 is a wasteful number, since it uses less digits than its factorization.

40851495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907822 (or 907819 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 40851495 is about 6391.5174254632. The cubic root of 40851495 is about 344.4048972016.

The spelling of 40851495 in words is "forty million, eight hundred fifty-one thousand, four hundred ninety-five".