40492851 has 16 divisors (see below), whose sum is σ = 63694848. Its totient is φ = 22392000.

The previous prime is 40492817. The next prime is 40492853. The reversal of 40492851 is 15829404.

It is not a de Polignac number, because 40492851 - 2¹⁰ = 40491827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40492853) 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, 30450 + ... + 31751.

It is an arithmetic number, because the mean of its divisors is an integer number (3980928).

Almost surely, 2^40492851 is an apocalyptic number.

40492851 is a deficient number, since it is larger than the sum of its proper divisors (23201997).

40492851 is a wasteful number, since it uses less digits than its factorization.

40492851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62242.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 40492851 is about 6363.3993274036. The cubic root of 40492851 is about 343.3940652507.

The spelling of 40492851 in words is "forty million, four hundred ninety-two thousand, eight hundred fifty-one".