40651742 has 16 divisors (see below), whose sum is σ = 63156672. Its totient is φ = 19612320.

The previous prime is 40651739. The next prime is 40651753. The reversal of 40651742 is 24715604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3323 + ... + 9609.

It is an arithmetic number, because the mean of its divisors is an integer number (3947292).

Almost surely, 2^40651742 is an apocalyptic number.

40651742 is a deficient number, since it is larger than the sum of its proper divisors (22504930).

40651742 is a wasteful number, since it uses less digits than its factorization.

40651742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6403.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 40651742 is about 6375.8718619495. The cubic root of 40651742 is about 343.8426301552.

The spelling of 40651742 in words is "forty million, six hundred fifty-one thousand, seven hundred forty-two".