40142262406 has 8 divisors (see below), whose sum is σ = 60217485120. Its totient is φ = 20069767368.

The previous prime is 40142262389. The next prime is 40142262431. The reversal of 40142262406 is 60426224104.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×40142262406² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 644721 + ... + 704236.

It is an arithmetic number, because the mean of its divisors is an integer number (7527185640).

Almost surely, 2^40142262406 is an apocalyptic number.

40142262406 is a deficient number, since it is larger than the sum of its proper divisors (20075222714).

40142262406 is a wasteful number, since it uses less digits than its factorization.

40142262406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363838.

The product of its (nonzero) digits is 18432, while the sum is 31.

The spelling of 40142262406 in words is "forty billion, one hundred forty-two million, two hundred sixty-two thousand, four hundred six".