40267742 has 4 divisors (see below), whose sum is σ = 60401616. Its totient is φ = 20133870.

The previous prime is 40267741. The next prime is 40267753. The reversal of 40267742 is 24776204.

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

It is a junction number, because it is equal to n+sod(n) for n = 40267699 and 40267708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40267741) 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 as a sum of consecutive naturals, namely, 10066934 + ... + 10066937.

It is an arithmetic number, because the mean of its divisors is an integer number (15100404).

Almost surely, 2^40267742 is an apocalyptic number.

40267742 is a deficient number, since it is larger than the sum of its proper divisors (20133874).

40267742 is a wasteful number, since it uses less digits than its factorization.

40267742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20133873.

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 40267742 is about 6345.6868816543. The cubic root of 40267742 is about 342.7565470915.

The spelling of 40267742 in words is "forty million, two hundred sixty-seven thousand, seven hundred forty-two".