40499051 has 16 divisors (see below), whose sum is σ = 45542400. Its totient is φ = 35834400.

The previous prime is 40499047. The next prime is 40499057. The reversal of 40499051 is 15099404.

It is a cyclic number.

It is not a de Polignac number, because 40499051 - 2² = 40499047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40498999 and 40499017.

It is not an unprimeable number, because it can be changed into a prime (40499057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15896 + ... + 18266.

It is an arithmetic number, because the mean of its divisors is an integer number (2846400).

Almost surely, 2^40499051 is an apocalyptic number.

40499051 is a deficient number, since it is larger than the sum of its proper divisors (5043349).

40499051 is a wasteful number, since it uses less digits than its factorization.

40499051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2450.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 40499051 is about 6363.8864697604. The cubic root of 40499051 is about 343.4115904393.

The spelling of 40499051 in words is "forty million, four hundred ninety-nine thousand, fifty-one".