40726887 has 4 divisors (see below), whose sum is σ = 54302520. Its totient is φ = 27151256.

The previous prime is 40726879. The next prime is 40726913. The reversal of 40726887 is 78862704.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40726887 - 2³ = 40726879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40726837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6787812 + ... + 6787817.

It is an arithmetic number, because the mean of its divisors is an integer number (13575630).

Almost surely, 2^40726887 is an apocalyptic number.

40726887 is a deficient number, since it is larger than the sum of its proper divisors (13575633).

40726887 is a wasteful number, since it uses less digits than its factorization.

40726887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13575632.

The product of its (nonzero) digits is 150528, while the sum is 42.

The square root of 40726887 is about 6381.7620607478. The cubic root of 40726887 is about 344.0543648304.

The spelling of 40726887 in words is "forty million, seven hundred twenty-six thousand, eight hundred eighty-seven".